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Secondary Active Time Servers

  1. AR time.sinectis.com.ar (216.244.192.3)
    Location: Sinectis S.A., Buenos Aires (Argentina)
    Geographic Coordinates: 3432'S, 5820'W
    Service Area: Argentina
    Synchronization: NTP V3 secondary (stratum 2), i686/Linux
    Access Policy: open access, please send a message to notify.
    Contact: timekeeper@sinectis.com.ar
    Note: time is an alias and the IP address may change, please use DNS.
  2. AR tick.nap.com.ar (200.49.40.1)
    Location: Network Access Point, Buenos Aires, Argentina
    Synchronization: NTP V3 secondary (stratum 2), Cisco IOS
    Service Area: Argentina
    Access Policy: open access, please send a message to notify
    Contact: Pablo J. Fritz ( timekeeper2002@nap.com.ar )
    Note: tick.nap.com.ar is a CNAME



  3. AR tock.nap.com.ar (200.49.40.15)
    Location: Network Access Point, Buenos Aires, Argentina
    Synchronization: NTP V3 secondary (stratum 2), Cisco IOS
    Service Area: Argentina
    Access Policy: open access, please send a message to notify
    Contact: Pablo J. Fritz ( timekeeper2002@nap.com.ar )
    Note: tock.nap.com.ar is a CNAME
  4. AU ntp.saard.net (203.21.37.18)
    Location: The University of Adelaide, Adelaide, South AUSTRALIA
    Synchronization: NTP secondary (stratum 2), DEC 3000/300L OSF/1
    Service Area: AARNet
    Access Policy: open access
    Contact: Lachlan Cameron Smith (lachlan.cameronsmith@adelaide.edu.au)
  5. BE ntp1.belbone.be (195.13.23.5)
    Location: Brussels, Belgium
    Synchronization: xntpd (stratum 2), linux/unix
    Service Area: European Union
    Access Policy: open access
    Contact: Belbone NOC (timemaster@belbone.be)
  6. BE ntp2.belbone.be (195.13.1.153)
    Location: Brussels, Belgium
    Synchronization: xntpd (stratum 2), linux/unix
    Service Area: European Union
    Access Policy: open access
    Contact: Belbone NOC (timemaster@belbone.be)
  7. BR ntp.cais.rnp.br (200.144.121.33)
    Location: Brazilian Research Network/Rede Nacional de Pesquisa (RNP)
    Synchronization: NTP V4 Secondary (stratum 2), Sun SPARC10/Solaris,
    Service Area: Brazil
    Access Policy: Open access to stratum 2 and stratum 3 NTP servers. Please, send a mail to notify.
    Contact: ntp-admin@cais.rnp.br
  8. BR ntp.hiway.com.br (200.246.53.5)
    Location: Brazil, SP, Valinhos (near Sao Paulo) Hiway Internet Provider Valinhos
    Geographic Coordinates: 22:58:22.4S 47:00:19.7W / Alt +729m (GPS WGS84)
    Synchronization: NTP V4 Secondary (stratum 2), Linux i586, NTPd v.4.1.71
    Service Area: Brazil
    Access Policy: Open access. Please, send a mail to notify.
    Contact: Fernando Braghetto, webmaster@hiway.com.br, 55 19 38694300
    Note: IP address are subject to change; use DNS
  9. BR ntp.massayonet.com.br (200.254.135.2)
    Location: Telemacro Sistemas e Serviços
    Synchronization: NTP V4 Secondary (stratum 2), OpenBSD 3.4
    Service Area: Brazil
    Access Policy: Open access to stratum 2 and stratum 3 NTP servers. Please send a mail to notify Contact: ntp@massayonet.com.br
  10. BR ntp.pop-pr.rnp.br (200.19.74.21)
    Location: PoP-PR/Brazilian Research Network (RNP)
    Synchronization: NTP V4 Secondary (stratum 2), IBM RS6000 - 43P-240 /Debian GNU Linux
    Service Area: Brazil
    Access Policy: Open access to stratum 2 server. Please, send a mail to notify.
    Contact: ntp-admin@pop-pr.rnp.br
  11. BR ntp.ufes.br (200.137.65.132)
    Location: POP-ES Federal University of Espirito Santo / POP-ES
    Universidade Federal do Espirito Santo (UFES)
    Synchronization: NTP V4 Secondary (stratum 2), AIX 4
    Service Area: Brazil
    Access Policy: Open access to stratum 2 and stratum 3 NTP servers. Please, send a mail to notify.
    Contact: ntp-admin@ufes.br
  12. BR ntp1.pucpr.br (200.192.112.8)
    Location: Brazilian / Pontificia Universidade Catolica do Parana
    Synchronization: NTP V4 secondary (stratum 2),
    Sun SPARC4/Solaris 7
    Service =C1rea: Brazil
    Access Policy:open access to stratum 2 server
    Contact: ntp1@pucpr.br
  13. CA ntp.cpsc.ucalgary.ca (136.159.2.2)
    Location: University of Calgary, Calgary, Alberta, Canada
    Synchronization: NTP V4 Secondary, i686/Solaris
    Service Area: Canada
    Access Policy: open access
    Contact: Brad Arlt (timekeeper@cpsc.ucalgary.ca)
  14. CA ntp1.cmc.ec.gc.ca
    Location: Canadian Meteorological Centre , Dorval, Québec, Canada
    Synchronization: NTP V4 secondary SGI/Unix
    Service Area: Eastern Canada
    Access Policy: open access
    Contact: ( ntp-admin@cmc.ec.gc.ca )
  15. CA ntp2.cmc.ec.gc.ca
    Location: Canadian Meteorological Centre , Dorval, Québec, Canada
    Synchronization: NTP V4 secondary SGI/Unix
    Service Area: Eastern Canada
    Access Policy: open access
    Contact: ( ntp-admin@cmc.ec.gc.ca )
  16. CA tick.utoronto.ca (128.100.103.252)
    Location: University of Toronto, Toronto, Ontario, CANADA
    Synchronization: NTP V3 secondary (stratum 2), Sparc 10, Solaris 2.5.1
    Service Area: Eastern Canada
    Access Policy: open access, send email to notify.
    Contact: Russell Sutherland (russ@madhaus.cns.utoronto.ca)
    Note: IP addresses are subject to change; please use DNS
  17. CA time.chu.nrc.ca (209.87.233.53)
    Location: National Research Council of Canada, Ottawa, Ontario, Canada
    Geographic Coordinates: 45:17:41N, 75:45:27W
    Synchronization: NTP V3 secondary (stratum 2), PC/Linux
    Service Area: Canada
    Access Policy: open access
    Contact: time@nrc.ca
    Note: IP address subject to change; please use DNS.
  18. CA time.nrc.ca (132.246.168.148)
    Location: National Research Council of Canada , Ottawa, Ontario, Canada
    Geographic Coordinates: 45:27N, 75:37W
    Synchronization: NTP V3 secondary (stratum 2), PC/Linux
    Service Area: Canada
    Access Policy: open access
    Contact: time@nrc.ca
    Note: time is an alias and the IP address may change; please use DNS.
  19. CA timelord.uregina.ca (142.3.100.15)
    Location: University of Regina, Regina, Saskatchewan, Canada
    Geographic Coordinates: 50:25N , 104:35:20 W
    Synchronization: NTP V3 secondary (stratum 2), Sun Sparc 5
    Service Area: SASK#net, CA*net, Canada
    Access Policy: open access
    Contact: Mark Haidl (timekeeper@uregina.ca)
    Note: please limit to one or two hosts per site.
  20. CA tock.utoronto.ca (128.100.100.128)
    Location: University of Toronto, Toronto, Ontario, CANADA
    Synchronization: NTP V3 secondary (stratum 2), Sparc 5, Solaris 2.5
    Service Area: Eastern Canada
    Access Policy: open access, send email to notify.
    Contact: Russell Sutherland (russ@madhaus.cns.utoronto.ca)
    Note: IP addresses are subject to change; please use DNS
  21. CZ ntp.cgi.cz (81.0.239.181)
    Location: Prague, The Czech Republic
    Synchronization: NTP V4 secondary (stratum 2), PC/FreebSD
    Service Area: Czech Republic
    Access Policy: open access
    Contact: Jakub Chromy (helpdesk@cgi.cz)
    Note: ntp is an alias and the IP address may change; please use DNS.
  22. CZ ntp.globe.cz (81.95.96.3)
    Location: Prague, The Czech Republic
    Synchronization: NTP V4 secondary (stratum 2), PC/Linux
    Service Area: Czech Republic
    Access Policy: open access
    Contact: Jan Panoch (panoch.jan@globe.cz)
    Note: ntp is an alias and the IP address may change; please use DNS.
  23. CZ ntp.karpo.cz (217.11.227.68)
    Location: Prague, The Czech Republic
    Synchronization: NTP V4 secondary (stratum 2), PC/Linux
    Service Area: Czech Republic
    Access Policy: open access
    Contact: Karel Zvara (zvara@karpo.cz)
    Note: ntp is an alias and the IP address may change; please use DNS.
  24. CZ ntp1.contactel.cz (212.65.193.3)
    Location: Prague, The Czech Republic
    Synchronization: NTP V4 secondary (stratum 2), PC/Linux
    Service Area: Czech Republic
    Access Policy: open access
    Contact: Contactel hostmasters (hostmaster@ctt.cz)
    Note: ntp1.contactel.cz is an alias and the IP address may change; please use DNS.
  25. CZ ntp2.contactel.cz (212.65.193.4)
    Location: Prague, The Czech Republic
    Synchronization: NTP V4 secondary (stratum 2), PC/Linux
    Service Area: Czech Republic
    Access Policy: open access
    Contact: Contactel hostmasters (hostmaster@ctt.cz)
    Note: ntp1.contactel.cz is an alias and the IP address may change; please use DNS.
  26. DE tick.fh-augsburg.de (141.82.30.251)
    Location: Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany
    Synchronization: NTP V3 secondary (stratum 2), i486/Linux
    Service area: Germany, Europe, European academic community
    Access policy: please check the details at our website
    Contact: Burkhard Erdlenbruch (erd@rz.fh-augsburg.de)
  27. DE tock.fh-augsburg.de (141.82.30.252)
    Location: Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany
    Synchronization: NTP V3 secondary (stratum 2), i486/Linux
    Service area: Germany, Europe, European academic community
    Access policy: please check the details at our website
    Contact: Burkhard Erdlenbruch (erd@rz.fh-augsburg.de)
  28. DE tack.fh-augsburg.de (141.82.30.253)
    Location: Augsburg University of Applied Sciences (FH), Augsburg, Bavaria, Germany
    Synchronization: NTP V4 secondary (stratum 2), i486/Linux
    Service area: Germany, Europe, European academic community
    Access policy: please check the details at our website
    Contact: Burkhard Erdlenbruch (erd@rz.fh-augsburg.de)
  29. ES hora.oxixares.com [217.127.2.161]
    Location: Ogijares (Granada/SPAIN)
    Synchronization: ntp v4.1.1 secondary (stratum 2)/athlon XP 2500+/SuSE Linux 8.2
    Service Area: Spain
    Access Policy: Public (glad to receive a note)
    Contact: timekeeper@oxixares.com
  30. ES slug.ctv.es [194.179.52.14] (will add an alias for this purpose)
    Location: Altea (Alicante/SPAIN)
    Synchronization: Stratum-2/i486DX2/66/Linux
    Service Area: Spain
    Access Policy: Public (glad to receive a note)
    Contact: Luis Colorado (luis.colorado@slug.ctv.es)
  31. FI tick.keso.fi (194.137.39.67)
    Location: Keski-Savon Oppimiskeskus, Pieksamaki, Finland, Europe
    Synchronization: NTP-3, i686/Linux
    Service area: Finland
    Access policy: open access, please send a message to notify
    Contact: root@keso.fi
    Note: tick is an alias, please use DNS
  32. FI tock.keso.fi (194.137.39.68)
    Location: Keski-Savon Oppimiskeskus, Pieksamaki, Finland, Europe
    Synchronization: NTP-3, i586/Linux
    Service area: Finland
    Access policy: open access, please send a message to notify
    Contact: root@keso.fi
    Note: tock is an alias, please use DNS
  33. FR ntp.ndsoftwarenet.com
    Location: NDSoftware, Paris, France
    Synchronization: NTP secondary (stratum 2)
    Service area: World
    Access policy: open access, please send a message to notify
    Contact: NDSoftware NTPmaster (ntpmaster@ndsoftwarenet.com)
    Note: IP address subject to change; please use DNS.
  34. FR ntp.obspm.fr
    Location: BNM-SYRTE, Observatoire de Paris, Paris, France
    Synchronization: NTP V4 secondary (stratum-2), i386/Linux
    Service Area: France/Europe
    Access Policy: open access, but please send a message to notify
    Contact: info.bnm-syrte@obspm.fr, More Informations?
    Note: use DNS for IP address.
  35. FR ntp.tuxfamily.net
    Location: SFINX or TeleHouse2, Paris, France
    Synchronization: NTP V4 secondary (stratum-2), Debian GNU/Linux ix86
    Service Area: France/Europe
    Access Policy: open access, no need to notify
    Contact: ntp-adm@tuxfamily.net , More Informations ?
    Note: use DNS for IP address
    Note: ntp.tuxfamily.net is an alias for ntp1.tuxfamily.net and ntp2.tuxfamily.net
    Note: see ntp{1,2}.tuxfamily.net entries for more information
  36. FR ntp1.tuxfamily.net (80.67.177.2)
    Location: SFINX, Paris, France
    Synchronization: NTP V4 secondary (stratum-2), Debian GNU/Linux ix86
    Service Area: France/Europe
    Access Policy: open access, no need to notify
    Contact: ntp-adm@tuxfamily.net , More Informations ?
    Note: use DNS for IP address is recommended
    Note: peer with ntp2.tuxfamily.net
    Note: If you use this service reguraly, you should subscribe to ntp@tuxfamily.org
  37. FR ntp2.tuxfamily.net (80.67.179.2)
    Location: TeleHouse2, Paris, France
    Synchronization: NTP V4 secondary (stratum-2), Debian GNU/Linux ix86
    Service Area: France/Europe
    Access Policy: open access, no need to notify
    Contact: ntp-adm@tuxfamily.net , More Informations ?
    Note: use DNS for IP address is recommended
    Note: peer with ntp1.tuxfamily.net
    Note: If you use this service reguraly, you should subscribe to ntp@tuxfamily.org
  38. FR ntp.univ-lyon1.fr (134.214.100.6)
    Location: CISM, Lyon, France
    Synchronization: NTP V3 secondary (stratum 2), Sun SS10
    Service Area: France, Switzerland, Italy, Europe
    Access Policy: open access
    Contact: ntp-adm@univ-lyon1.fr
    Note: consult DNS to get host address, ntp is an alias.
    Note: we would appreciate getting a little note if you make regular use of this server, so that we can put you on our NTP mailing-list.
  39. FR ntp.via.ecp.fr (138.195.130.71)
    Location: VIA, Ecole Centrale Paris, France
    Synchronization: ntp v4.0.99c (stratum 2), Debian GNU/Linux x86
    Service Area: France/Europe
    Policy: open access, send email to notify. Please limit access to one or two hosts per site (large sites should set up their own ntp server)
    Contact: ntpadmin@via.ecp.fr
  40. GR ntp.mfa.gr (193.92.123.152)
    Location: Athens, GR
    Service Area: Greece
    Synchronization: NTP V3 secondary (stratum 2), i686/FreeBSD
    Access Policy: open access/GR, please send a message to notify.
    Contact: ntp@mfa.gr
    Note: "ntp" is an alias and the IP address may change, please use DNS.
  41. GR ntp.mikros.com (213.5.174.2)
    Location: Argostoli, Kefalonia, GR
    Geographic Coordinates: 3810N 2030E
    Service Area: Greece
    Synchronization: NTP V3 secondary (stratum 2), i686/Linux
    Access Policy: open access/GR, please send a message to notify.
    Contact: ntp@mikroskosmos.com
    Note: "ntp" is an alias and the IP address may change, please use DNS.
  42. HK ntp.cuhk.edu.hk
    Location: The Chinese University of Hong Kong.
    Geographic Coordinates: 22:25:10N, 114:12:22E
    Synchronization: NTP V3 secondary (stratum 2), i686/Linux
    Service Area: Hong Kong, Taiwan, China, and South East Asia
    Access Policy: open access
    Contact: Connie Law (connieL@cuhk.edu.hk), <kinming@cuhk.edu.hk> Note: IP addresses are subject to change; please use DNS
  43. HR zg1.ntp.carnet.hr (161.53.2.70)
    Location: CARNet (Croatian Academic and Research Network), Zagreb, Croatia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/Solaris
    Service Area: Croatia/Europe
    Access Policy: open access, glad to receive a note
    Contact: ntp@carnet.hr
    Note: IP address subject to change; better use DNS
  44. HR zg2.ntp.carnet.hr (161.53.123.4)
    Location: CARNet (Croatian Academic and Research Network), Zagreb, Croatia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/Solaris
    Service Area: Croatia/Europe
    Access Policy: open access, glad to receive a note
    Contact: ntp@carnet.hr
    Note: IP address subject to change; better use DNS
  45. HR st.ntp.carnet.hr (161.53.30.3)
    Location: CARNet (Croatian Academic and Research Network), Split, Croatia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/Solaris
    Service Area: Croatia/Europe
    Access Policy: open access, glad to receive a note
    Contact: ntp@carnet.hr
    Note: IP address subject to change; better use DNS
  46. HR ri.ntp.carnet.hr (161.53.40.3)
    Location: CARNet (Croatian Academic and Research Network), Rijeka, Croatia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/UNIX
    Service Area: Croatia/Europe
    Access Policy: open access, glad to receive a note
    Contact: ntp@carnet.hr
    Note: IP address subject to change; better use DNS
  47. HR os.ntp.carnet.hr (161.53.200.8)
    Location: CARNet (Croatian Academic and Research Network), Osijek, Croatia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/Solaris
    Service Area: Croatia/Europe
    Access Policy: open access, glad to receive a note
    Contact: ntp@carnet.hr
    Note: IP address subject to change; better use DNS
  48. HU time.kfki.hu (148.6.0.1)
    Location: KFKI Research Institute for Particle and Nuclear Physics , Budapest, Hungary
    Synchronization: NTP secondary (stratum 2), Sun/Solaris
    Service Area: HUNGARNET
    Access Policy: open access, send email to notify.
    Contact: time@sunserv.kfki.hu
  49. ID ntp.incaf.net (202.180.0.71)
    Location: Jakarta, Indonesia
    Synchronization: NTP V4 Secondary, i686/Linux
    Service Area: Indonesia
    Access Policy: open access
    Contact: admin (timekeeper@incaf.net)
  50. IE ntp.maths.tcd.ie
    Location: School of Mathematics, Trinity College, Dublin, Ireland.
    Synchronization: NTPV4 secondary (stratum 2), Intel, FreeBSD 2.2
    Service Area: Ireland, UK
    Access Policy: open access, please send a message to notify.
    Contact: time@maths.tcd.ie
    Note: ntp.cs.tcd.ie, ntp.maths.tcd.ie and ntp.tcd.ie peer together over local area net. It is normally sufficient just to pick one machine to peer with.
  51. IT ntps.net4u.it (80.83.192.129)
    Location: 4u Srl, Vercelli, Italy
    Synchronization: NTP secondary (stratum 2), Linux 2 on Intel PIII 500MHz
    Service area: Italy
    Access policy: open access, please send a message to notify
    Contact: timemaster@net4u.it
  52. JP ntp.cyber-fleet.net
    Location: Cyber Fleet, Inc., Tokyo, Japan
    Geographic Coordinates: 35:43:59N, 139:40:50E
    Synchronization: NTP V4 secondary (stratum 2), PC BSD/OS
    Service Area: Japan/East Asia
    Access policy: open access, please send a message to notify
    Contact: pdp@cyber-fleet.net
    Note: the IP address may change, please use DNS
    Note: IPv4/IPv6 available.
  53. KR ntp.ewha.net [211.39.143.103]
    Location: KT-IDC , Bundang, Korea
    Geographic Coordinates: 37:24:45.3N 127:07:28.5E (WGS 84)
    Synchronization: NTP V3 (stratum 2), i586/Linux
    Service area: Korea
    Access policy: Open access within Korea, send email to notify. Please limit access to one or two hosts per site (large sites should set up their own ntp server)
    Contact: ntp@ewha.net
    Note: IP addresses are subject to change; please use DNS
  54. MX ntp2a.audiotel.com.mx (200.34.146.67)
    Location: Audiotel office, Mexico D.F., Mexico
    Synchronization: NTP V3 secondary (stratum 2), NeXTstation/33
    Service Area: Avantel, MCINet, Mexico
    Access Policy: open access, but please send a message to notify.
    Contact: Pedro Resendiz (resendiz@audiotel.com.mx)
  55. MX ntp2b.audiotel.com.mx (200.34.146.68)
    Location: Audiotel office, Mexico D.F., Mexico
    Synchronization: NTP V3 secondary (stratum 2), NeXTstation/33
    Service Area: Avantel, MCINet, Mexico
    Access Policy: open access, but please send a message to notify.
    Contact: Pedro Resendiz (resendiz@audiotel.com.mx)
  56. MX ntp2c.audiotel.com.mx (200.34.146.69)
    Location: Audiotel office, Mexico D.F., Mexico
    Synchronization: NTP V3 secondary (stratum 2), NeXTstation/33
    Service Area: Avantel, MCINet, Mexico
    Access Policy: open access, but please send a message to notify.
    Contact: Pedro Resendiz (resendiz@audiotel.com.mx)
  57. MY ntp.doubleukay.com
    Location: Cyberjaya, Malaysia
    Synchronization: NTP V4 secondary (stratum 2), Intel/Linux
    Service Area: Malaysia
    Access Policy: open access
    Contact: Woon Wai Keen (timekeeper@doubleukay.com)
  58. NG ntp.supernet300.com (216.72.109.4)
    Location: Supernet300, Lagos, Nigeria
    Synchronization: NTP secondary (stratum 2), PC/Linux
    Service Area: Western Africa, primarily Nigerian NITEL backbone
    Access Policy: Open access, please send an email to notify before use.
    Contact: timelords@supernet300.com
    Note: Please use the DNS name-the IP address can (and likely will) change.
  59. NL ntp1.theinternetone.net (62.4.94.221)
    Location: The Internetone, Abovenet Amsterdam, The Netherlands
    Synchronization: NTP V4 secondary (stratum 2), i686/Linux
    Service Area: Netherlands/Europe, Abovenet
    Access Policy: open access, please send a message to notify
    Contact: Cees de Groot ( cg@theinternetone.net )
    Note: please choose one of ntp{1,2,3}.theinternetone.net. Use DNS, addresses subject to change
  60. NL ntp2.theinternetone.net (62.4.94.8)
    Location: The Internetone, Abovenet Amsterdam, The Netherlands
    Synchronization: NTP V4 secondary (stratum 2), i686/Linux
    Service Area: Netherlands/Europe, Abovenet
    Access Policy: open access, please send a message to notify
    Contact: Cees de Groot ( cg@theinternetone.net )
    Note: please choose one of ntp{1,2,3}.theinternetone.net. Use DNS, addresses subject to change
  61. NL ntp3.theinternetone.net (62.4.94.210)
    Location: The Internetone, Abovenet Amsterdam, The Netherlands
    Synchronization: NTP V4 secondary (stratum 2), i686/Linux
    Service Area: Netherlands/Europe, Abovenet
    Access Policy: open access, please send a message to notify
    Contact: Cees de Groot ( cg@theinternetone.net )
    Note: please choose one of ntp{1,2,3}.theinternetone.net. Use DNS, addresses subject to change
  62. NO fartein.ifi.uio.no (129.240.64.3)
    Location: University of Oslo, Norway
    Geographic Coordinates: 59:56:32N, 10:43:22E
    Synchronization: NTP secondary (stratum 2), DEC Alpha OSF/1 V4.0
    Service Area: NORDUnet
    Access Policy: open access
    Contact: timekeeper@ifi.uio.no)
  63. NO time.alcanet.no (use DNS)
    Location: Alcanet International, Oslo, Norway
    Synchronization: NTP V3 secondary (stratum 2), PC/Linux
    Service Area: Europe=20
    Access Policy: open access, notify message appreciated
    Contact: timekeeper@alcanet.no
  64. NZ ntp.iprolink.co.nz (use DNS)
    Location: Iprolink , CBD, Auckland, New Zealand
    Geographic coordinates: 36:50:59.6 S, 174:45:31.9 E, (GPS NZ Geodatum 1949)
    Synchronisation: NTP V3 (stratum 2), Cisco Router
    Service Area: New Zealand
    Access Policy: Open access within New Zealand, send email to notify.
    Contact: ntp@iprolink.co.nz
    Note: IP addresses are subject to change; please use DNS
  65. NZ ntp.massey.ac.nz (Use DNS)
    Location: Massey University, Palmerston North, New Zealand
    Synchronisation: NTP V4 (stratum 2), PC/Linux
    Service Area: New Zealand
    Access Policy: Open access within New Zealand
    Contact: ntp@massey.ac.nz
    Note: if multiple servers are required, use ntp1 and ntp2
  66. NZ ntp.public.otago.ac.nz (139.80.64.114)
    Location: University of Otago, Dunedin, New Zealand
    Synchronisation: NTP V3 (stratum 2), Linux on Intel
    Service Area: New Zealand
    Access Policy: Open access within New Zealand, send email to notify.
    Contact: ntp@otago.ac.nz
    Note: IP addresses are subject to change; please use DNS
  67. NZ tk1.ihug.co.nz, tk2.ihug.co.nz, tk3.ihug.co.nz (use DNS)
    Location: ihug, Central city, Auckland, New Zealand
    Synchronisation: NTP V4 (stratum 2), PC/Linux
    Service Area: New Zealand
    Access Policy: Open access within New Zealand, send email to notify.
    Contact: ntp@staff.ihug.co.nz
    Note: IP addresses are subject to change; please use DNS
  68. PL info.cyf-kr.edu.pl: 149.156.4.11
    Location: Academic Computer Centre, CYFRONET, Krakow, Poland
    Synchronization: NTP V3 secondary (stratum 2), HP/Unix
    Service Area: Poland/Europe
    Access policy: open access, please send a message to notify
    Contact: Jerzy.Pawlus@cyf-kr.edu.pl
  69. PT bug.fe.up.pt (193.136.54.1)
    Location: Oporto University, Portugal
    Synchronization: NTP secondary (stratum 2), i486/Linux
    Service Area: Portugal/Europe
    Access Policy: For use only by prior arrangement. Mail
    timemaster@bug.fe.up.pt for more information.
  70. RO ntp.ip.ro (212.93.129.107)
    Location: IP Bucharest, Romania
    Synchronization: NTP V3, Linux/i586
    Service Area: Romania/Europe
    Access Policy: open access, but please send a message to notify
    Contact: ntp@ntp.ip.ro
    Note: use DNS for IP address.
  71. RU ntp.psn.ru (194.149.67.130)
    Location: Pushchino, Moscow region, Russia
    Geographic Coordinates: 54:50N, 37:37E
    Synchronization: NTP secondary (stratum 2), Alpha/Linux
    Service area: Russia
    Access policy: open access, please send a message to notify
    Contact: clockmaster@psn.ru
  72. RU sign.chg.ru (193.233.46.10)
    Location: Scientific Center in Chernogolovka, Moscow region, Russia
    Synchronization: NTP V3 secondary (stratum 2), PC/FreeBSD 3.1
    Service Area: Russia
    Access Policy: open access, please send e-mail to notify.
    Contact: Andrew Neporada (andrew@chg.ru) or time@sign.chg.ru
  73. SE ntp.lth.se (130.235.20.3)
    Location: Lund Institute of Technology , Lund, Sweden
    Synchronization: NTP V3 secondary (stratum 2), Sun/Solaris
    Service Area: Sweden, NORDUnet
    Access Policy: open access, send email to notify. Please limit access to one or two hosts per site (large sites should set up their own ntp server)
    Contact: timemaster@lth.se
  74. SE time.flygplats.net
    Location: flygplats.net , Sigtuna, Sweden
    Synchronization: NTP V4 secondary, i386, FreeBSD
    Service Area: Europe
    Access Policy: Open access
    Contact: timekeeper;@flygplats.net
    Note: IP address subject to change; please use DNS.
  75. SG ntp.shim.org
    Location: Singapore
    Synchronization: NTP secondary (stratum 2), Intel/Linux
    Service Area: Singapore
    Access Policy: open access
    Contact: Dr Ivan Shim
  76. SI biofiz.mf.uni-lj.si (193.2.69.10)
    Location: Institute of Biophysics, University of Ljubljana, Slovenia
    Geographic Coordinates: 46:03:09N, 14:30:40E
    Synchronization: NTP V4 secondary (stratum 2), IBM/Linux
    Service Area: Slovenia/Europe
    Access Policy: open access, please send a message to notify
    Contact: Primoz Peterlin (time@biofiz.mf.uni-lj.si)
  77. SI ntp1.arnes.si (193.2.1.66)
    Location: ARNES (Academic and Research Network of Slovenia), Ljubljana, Slovenia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/Solaris
    Service Area: Slovenia/Europe
    Access Policy: open access with some restrictions (see http://www.arnes.si/english/ntp_access.html )
    Contact: ntp-admin@arnes.si
    Note: IP address subject to change; better useDNS
  78. SI ntp2.arnes.si (193.2.1.92)
    Location: ARNES (Academic and Research Network of Slovenia), Ljubljana, Slovenia
    Synchronization: NTP V4 secondary (stratum 2), Sun Sparc/Solaris
    Service Area: Slovenia/Europe
    Access Policy: open access with some restrictions (see http://www.arnes.si/english/ntp_access.html )
    Contact: ntp-admin@arnes.si
    Note: IP address subject to change; better use DNS
  79. SI time.ijs.si (193.2.4.6)
    Location: J. Stefan Institute , Ljubljana , Slovenia
    Geographic Coordinates: 46:02:35N, 14:29:17E (WGS84)
    Synchronization: NTP V4 secondary (stratum 2), DEC Alpha / Digital Unix
    Service Area: Slovenia/Europe
    Access Policy: open access, glad to receive a note
    Contact: Mark Martinec ( timekeeper@ijs.si )
    Note: IP address subject to change; better use DNS
  80. SI time.ijs.si (193.2.4.6)
    Location: J. Stefan Institute , Ljubljana , Slovenia
    Geographic Coordinates: 46° 2.517'N, 14° 29.241'E (WGS84)
    Synchronization: NTP V4 secondary (stratum 2), Compaq (DEC) Alpha / Tru64 Unix with MICRO_TIME kernel option
    Service Area: Slovenia/Europe
    Access Policy: open access, glad to receive a note
    Contact: Mark Martinec ( timekeeper@ijs.si ); More info?
    Note: IP address subject to change; better use DNS
  81. SV clock.cimat.ues.edu.sv (168.243.7.66)
    Location: Faculty of Natural Sciences and Mathematics, University of El Salvador, San Salvador, El Salvador
    Synchronization: NTP V4 secondary (stratum 2), PC/Linux
    Service Area: Central America
    Access Policy: open access, please send a message to notify
    Contact: ( admin@cimat.ues.edu.sv )
    Note: clock.cimat.ues.edu.sv is a CNAME
  82. UK a.ntp.alphazed.net (212.42.1.207)
    Location: Telehouse, London E14
    Synchronization: NTP 4, FreeBSD
    Service Area: all areas
    Access Policy: open access
    Contact: ntp@alphazed.com
    Note: Please check http://www.alphazed.co.uk/support/ntp.php
  83. TR time.deu.edu.tr (193.140.151.9)
    Location: Dokuz Eylul University, Izmir, Turkey
    Synchronization: NTP V4 Secondary (stratum 2), Sun SPARC10/Solaris,
    Service Area: Turkey
    Access Policy: Open access Please, send a mail to notify.
    Contact: berent@deu.edu.tr
    Note: IP address are subject to change; please use DNS
  84. UK bear.zoo.bt.co.uk (132.146.236.132)
    Location: BT Adastral Park, Ipswich, England
    Synchronisation: NTP Secondary, PentiumIII/Linux 2.4
    Service Area: UK
    Access Policy: Open Access
    Contact: John Sager, jcs@zoo.bt.co.uk
    Note: WYSIWYG. No service guarantee, so don't use it as your sole sync source.
  85. UK ntp.cis.strath.ac.uk
    Location: Dept. Computer and Information Sciences, University of Strathclyde, Glasgow, Scotland.
    Geographic Coordinates: 04:14W, 55:52N
    Synchronization: NTP V4 secondary
    Service Area: UK/Europe
    Access Policy: open access
    Contact: Ian Gordon (ntp@cis.strath.ac.uk)
    Note: Do not use IP address because these can change
  86. UK ntp.exnet.com (194.207.34.9)
    Location: ExNet Ltd, London, UK
    Synchronization: NTP secondary (stratum 2), Sun-4/Unix
    Service area: UK/Europe/any
    Access policy: semi-open access, please send message first for access
    Contact: sysadmin@exnet.com or dhd@exnet.com
    Note: Please see our Web page before using. Please use CNAME ntp.exnet.com since IP address may well change.
  87. UK ntp2a.mcc.ac.uk (130.88.202.49)
    Location: University of Manchester, Manchester, England
    Synchronization: NTP secondary (S2), Sun/SunOS
    Service Area: UK
    Access Policy: Open Access
    Contact(s): timelords@mcc.ac.uk
    Note: Please use DNS for address, subject to change
  88. UK ntp2b.mcc.ac.uk (130.88.200.98)
    Location: University of Manchester, Manchester, England
    Synchronization: NTP secondary (S2), PC/FreeBSD
    Service Area: UK
    Access Policy: Open Access
    Contact(s): timelords@mcc.ac.uk
    Note: Please use DNS for address, subject to change
  89. UK ntp2c.mcc.ac.uk (130.88.200.4)
    Location: University of Manchester, Manchester, England
    Synchronization: NTP secondary (S2), PC/FreeBSD
    Service Area: UK
    Access Policy: Open Access
    Contact(s): timelords@mcc.ac.uk
    Note: Please use DNS for address, subject to change
  90. UK ntp2d.mcc.ac.uk (130.88.203.12)
    Location: University of Manchester, Manchester, England
    Synchronization: NTP secondary (S2), SGI/Irix
    Service Area: UK
    Access Policy: Open Access
    Contact(s): timelords@mcc.ac.uk
    Note: Please use DNS for address, subject to change
  91. UK ntp{0|1|2}.sandvika.net (194.164.127.{4|5|6})
    Location: Telehouse Europe, London E14.
    Geographic Coordinates: 51°30.71'N 0°00.08'W
    Synchronisation: NTP V4 secondary Sun UltraSPARC Solaris 8
    Service area: UK / Europe
    Contact: time@sandvika.net
    Note: www.sandvika.net/time (ntp2 new - due online mid-October 2002).
  92. UK ntp0.uk.uu.net 158.43.128.33
    Configuration: NTP V3 secondary (stratum 2), Sun sparc Ultra, Solaris 7, xntpd 3-5.93
    Location: Cambridge, UK
    Service Area: UUNET (formerly known in the UK as PIPEX); UK
    Access Policy: Semi-open access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice.
    Contact: timelord@uk.uu.net
    Note: This service is supported on a best-effort basis, but is not guaranteed. UUNET customers should peer with all three: ntp0.uk.uu.net, ntp1.uk.uu.net, and ntp2.uk.uunet.
  93. UK ntp1.uk.uu.net 158.43.128.66
    Configuration: NTP V3 secondary (stratum 2), Sun sparc Ultra, Solaris 7, xntpd 3-5.93
    Location: Cambridge, UK
    Service Area: UUNET (formerly known in the UK as PIPEX); UK
    Access Policy: Semi-open access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice.
    Contact: timelord@uk.uu.net
    Note: This service is supported on a best-effort basis, but is not guaranteed. UUNET customers should peer with all three: ntp0.uk.uu.net, ntp1.uk.uu.net, and ntp2.uk.uunet.
  94. UK ntp2.uk.uu.net 158.43.192.66
    Configuration: NTP V3 secondary (stratum 2), Sun sparc Ultra, Solaris 7, xntpd 3-5.93
    Location: London, UK
    Service Area: UUNET (formerly known in the UK as PIPEX); UK
    Access Policy: Semi-open access. These are primarily for use by UUNET customers who may use them without asking, but others are welcome to peer if they give notice.
    Contact: timelord@uk.uu.net
    Note: This service is supported on a best-effort basis, but is not guaranteed. UUNET customers should peer with all three: ntp0.uk.uu.net,
  95. UK tick.tanac.net (195.112.34.51)
    Location: Wibble UK, Aylesbury, Buckinghamshire UK
    Synchronization: NTP secondary (stratum 2), i686/Linux 2.2
    Geographic Coordinates: 51 49 00 N 00 48 00 W
    Service area: United Kingdom
    Access policy: open access, please send a message to notify
    Contact: ntp@tanac.net
  96. UK; time-server.ndo.com (195.7.224.135)
    Location: Telehouse Metro, London EC2A.
    Geographic Coordinates: 51°31.21'N 0°05.01'W
    Synchronisation: NTP secondary, PC/Debian Linux
    Service area: UK / Europe
    Access Policy: Open Access
    Contact: support@ndo.com
  97. US * time.cachenetworks.com (no address, please use dns)
    Location: Multiple, United States
    Synchronization: NTP V4 secondary (stratum 2)
    Service area: US/any
    Access policy: open access, please send a message to notify
    Contact: Matt Levine (matt.levine@cachenetworks.com)
    Note: service is (unicast) anycasted in multiple locations.
  98. US AR sushi.compsci.lyon.edu (150.208.72.154)
    Location: Lyon College Computer Science (Batesville, Arkansas USA)
    Geographic Coordinates: 35.776N, 91.629W
    Service Area: United States
    Synchronization: NTP V4 secondary (stratum 2)
    Access Policy: open access, please send a message to notify.
    Contact: Matt Critcher (timekeeper@compsci.lyon.edu)
    Note: IP's may change. Please use DNS.
  99. US AZ decimal.lib.ci.phoenix.az.us (148.167.132.201)
    Location: Phoenix, AZ
    Synchronization: NTP V4 secondary (stratum 2) P-III/Linux 2.4
    Service Area: North America
    Access Policy: Open access. Please limit access to one or two hosts per site (large sites should set up their own ntp server)
    Contact: timekeeper@phxlib.org
  100. US AZ dewey.lib.ci.phoenix.az.us (148.167.132.200)
    Location: Phoenix, AZ
    Synchronization: NTP V4 secondary (stratum 2) P-III/Linux 2.4
    Service Area: North America
    Access Policy: Open access. Please limit access to one or two hosts per site (large sites should set up their own ntp server)
    Contact: timekeeper@phxlib.org
  101. US AZ ntp.drydog.com (207.211.160.111)
    Location: Tempe, AZ
    Synchronization: NTP V4 secondary (stratum 2) P-III/Linux 2.4
    Service Area: Western United States and Northern Mexico
    Access Policy: open access, please send a message to notify. Please limit access to one or two hosts per site (large sites should set up their own ntp server)
    Contact: Dan Anderson ( timekeeper@drydog.com )
  102. US CA clock.fmt.he.net (216.218.192.202)
    Location: Hurricane Electric , Fremont, California
    Synchronization: NTP V4 primary (GPS), Symmetricom NTS-150
    Service Area: all areas
    Access Policy: open access
    Contact: support@he.net
  103. US CA clock.sjc.he.net (216.218.254.202)
    Location: Hurricane Electric , San Jose, California
    Synchronization: NTP V4 primary (CDMA), Endrun Praecis CNTP
    Service Area: all areas
    Access Policy: open access
    Contact: support@he.net
  104. US CA ntp.ucsd.edu (132.239.254.49)
    Location: UCSD Academic Computing Services/Network Operations, San Diego, CA
    Synchronization: NTP secondary (stratum 2)
    Service Area: CERFNET; NSFNET, SDSC region and nearby
    Access Policy: open access, please send a message to notify.
    Contact: timekeeper@ucsd.edu
  105. US CA ntp1.mainecoon.com (63.192.96.2)
    Location: Quincy, California
    Geographic Coordinates: 39:56.863N, 120:54.657W
    Synchronization: NTP V4 secondary (stratum 2) P-II/X86 Solaris 2.7
    Service Area: North America
    Access Policy: Open Access, please drop us a note so we can add you to our mailing list.
    Contact:time@mainecoon.com or Chris Kennedy (chris@mainecoon.com)
    Note: ntp1 is a CNAME for time service. Please use DNS; IP assignments subject to change.
  106. US CA ntp2.mainecoon.com (63.192.96.3)
    Location: Quincy, California
    Geographic Coordinates: 39:56.863N, 120:54.657W
    Synchronization: NTP V4 secondary (stratum 2) Sun 4/75 Solaris 2.7
    Service Area: North America
    Access Policy: Open Access, please drop us a note so we can add you to our mailing list.
    Contact:time@mainecoon.com or Chris Kennedy (chris@mainecoon.com)
    Note: ntp2 is a CNAME for time service. Please use DNSUS
  107. CA ntp1.sf-bay.org (207.126.97.57)
    Location: San Jose, CA
    Synchronization: NTP secondary (stratum 2), FreeBSD
    Service Area: North America: Northern California and Pacific Northwest
    Access Policy: open access, please send a message to notify
    Contact: Scott Hazen Mueller ( clockmaster@sf-bay.org )
  108. US CA ntp2.sf-bay.org (204.74.68.55)
    Location: Los Angeles, CA
    Synchronization: NTP secondary (stratum 2), FreeBSD
    Service Area: North America: Southern California
    Access Policy: open access, please send a message to notify
    Contact: Scott Hazen Mueller ( clockmaster@sf-bay.org )
  109. US CA ntp.ucsd.edu (132.239.254.49)
    Location: UCSD Academic Computing Services/Network Operations, San Diego, CA
    Synchronization: NTP secondary (stratum 2)
    Service Area: CERFNET; NSFNET, SDSC region and nearby
    Access Policy: open access, please send a message to notify.
    Contact: timekeeper@ucsd.edu
  110. US CA reloj.kjsl.com (204.87.183.6)
    Location: Salinas, CA, USA
    Synchronization: NTP V3 secondary (stratum 2), MultiNet on VMS
    Service area: Western USA (Layer42 connectivity)
    Access policy: open access, please drop me a note if you use the server so I can keep you on the notify list.
    Contact: <timekeeper@kjsl.com>>
  111. US CA time.berkeley.netdot.net (216.27.190.202)
    Location: Berkeley, CA
    Synchronization: NTP secondary (stratum 2), FreeBSD
    Service Area: North America: Pacific Coast
    Access Policy: open access, please send a message to notify
    Contact: Caleb Haley ( chaley@netdot.net )
    Note: time.berkeley.netdot.net is a CNAME
  112. US CA time.five-ten-sg.com (205.147.40.34)
    Location: Lake Arrowhead, CA, USA
    Synchronization: NTP V4 secondary (Stratum 2), Linux/intel
    Service Area: within 100ms of Digilink.net
    Access Policy: open access, email for firewall access first
    Contact: carl@five-ten-sg.com
  113. US CO ntp1.linuxmedialabs.com
    Location: Linux Media Labs LLC, Colorado Springs, CO
    Service Area: US
    Synchronization: NTP Secondary (stratum 2), i686/Linux
    Access Policy: open access
    Contact: ntp@linuxmedialabs.com
    Note: ntp1 is an alias and the IP address may change, please use DNS
  114. US CO ntp1.tummy.com
    Location: tummy.com, ltd., Fort Collins, CO
    Service Area: US
    Synchronization: NTP Secondary (stratum 2), i686/Linux
    Access Policy: open access.
    Contact: ntp@tummy.com
    Note: ntp1 is an alias and the IP address may change, please use DNS.
  115. US DE louie.udel.edu (128.4.40.12)
    Location: University of Delaware, Newark, DE
    Synchronization: NTP V3 secondary (stratum 2), Sun SPARC10/Solaris 2.6
    Service Area: CAIRN, Abilene/vBNS
    Access Policy: open access
    Contact: Dave Mills <mills@udel.edu>
  116. US GA ntp.shorty.com (208.21.108.186)
    Location: CNSG, Atlanta, GA
    Synchronization: NTP secondary (stratum 2), PC/Linux
    Service Area: Southeast United States
    Access Policy: Open access, please send an email to notify before use.
    Contact: timelords@shorty.com
    Note: Please use the CNAME ntp. IP addresses can (and likely will) change.
  117. US GA rolex.usg.edu
    Location: University System of Georgia NOC, Atlanta, GA
    Synchronization: NTP secondary (stratum 2)
    Service Area: PeachNet (Georgia)
    Access Policy: open access, please send a message with the hostname and/or address of your NTP client to notify.
    Contact: timekeeper@usg.edu
  118. US GA timex.usg.edu
    Location: University System of Georgia NOC, Atlanta, GA
    Synchronization: NTP secondary (stratum 2)
    Service Area: PeachNet (Georgia)
    Access Policy: open access, please send a message with the hostname and/or address of your NTP client to notify.
    Contact: timekeeper@usg.edu
  119. US IL ntp-0.cso.uiuc.edu (130.126.24.53)
    Location: University of Illinois, Urbana-Champaign, IL
    Synchronization: NTP secondary (stratum 2), Cisco-ASM/4
    Service Area: CICNET, Midwest, NCSA region
    Access Policy: open access
    Contact: Charley Kline (kline@uiuc.edu)
    Note: select one of (ntp-0.cso.uiuc.edu, ntp-1.cso.uiuc.edu, ntp-2.cso.uiuc.edu) to equalize load. Use names rather than IP addresses if possible. The ntp-N aliases follow wherever the service is moved to.
  120. US IL ntp-1.cso.uiuc.edu (130.126.24.24)
    Location: University of Illinois, Urbana-Champaign, IL
    Synchronization: NTP secondary (stratum 2), Cisco-ASM/4
    Service Area: CICNET, Midwest, NCSA region
    Access Policy: open access
    Contact: Charley Kline (kline@uiuc.edu)
    Note: select one of (ntp-0.cso.uiuc.edu, ntp-1.cso.uiuc.edu, ntp-2.cso.uiuc.edu) to equalize load. Use names rather than IP addresses if possible. The ntp-N aliases follow wherever the service is moved to.
  121. US IL ntp-1.mcs.anl.gov (140.221.9.20)
    Location: Argonne National Laboratory, near Chicago, IL
    Synchronization: NTP V3 secondary (stratum 2), Sun Sparcstation
    Service Area: NSF/ANSNet, CICNet, NetIllinois, ESNet, others welcome
    Policy: open access, please send a message to notify
    Contact: Systems Staff (ntp-contact@mcs.anl.gov)
    Note: IP addresses are subject to change; please use DNS
  122. US IL ntp-2.cso.uiuc.edu (130.126.24.44)
    Location: University of Illinois, Urbana-Champaign, IL
    Synchronization: NTP secondary (stratum 2), Cisco-ASM/4
    Service Area: CICNET, Midwest, NCSA region
    Access Policy: open access
    Contact: Charley Kline (kline@uiuc.edu)
    Note: select one of (ntp-0.cso.uiuc.edu, ntp-1.cso.uiuc.edu, ntp-2.cso.uiuc.edu) to equalize load. Use names rather than IP addresses if possible. The ntp-N aliases follow wherever the service is moved to.
  123. US IL ntp-2.mcs.anl.gov (140.221.9.6)
    Location: Argonne National Laboratory, near Chicago, IL
    Synchronization: NTP secondary (stratum 2), Sun Sparcstation 2
    Service Area: NSF/ANSNet, CICNet, NetIllinois, ESNet, others welcome
    Access Policy: open access, please send a message to notify
    Contact: Systems Staff (ntp-contact@mcs.anl.gov)
    Note: IP addresses are subject to change; please use DNS
  124. US IN gilbreth.ecn.purdue.edu (128.46.129.93, 128.46.141.93, 128.46.147.93, 128.46.148.93, 128.46.171.93)
    Location: Purdue University Engineering Computer Network, West Lafayette, IN
    Synchronization: NTP V3 secondary (stratum 2), Sun SPARCserver 1000/Solaris 2.3
    Service area: NSFNET, CICNET area
    Access policy: open access
    Contact: Mike Moya (moyman@ecn.purdue.edu)
  125. US IN harbor.ecn.purdue.edu (128.46.128.76, 128.46.129.76, 128.46.154.76)
    Location: Purdue University Engineering Computer Network, West Lafayette, IN
    Synchronization: NTP V3 secondary (stratum 2), Sun-4/75+/Solaris 2.3
    Service area: NSFNET, CICNET area
    Access policy: open access
    Contact: Mike Moya (moyman@ecn.purdue.edu)
  126. US IN horologe.cerias.purdue.edu(128.10.252.1)
    Location: CERIAS, Purdue University, West Lafayette, IN
    Synchronization: NTP V3/V4 stratum 2 server, Cisco router
    Geographic Coordinates: 40:25:33.2N, 86:54:54.7W (GPS)
    Service Area: Purdue University hosts only
    Access Policy: open access to Purdue University addresses. Please see our ntp WWW page .
    Contact: Gene Spafford ( ntp-request@cerias.purdue.edu )
    Note: This host does not support "daytime" -- only UDP-based NTP.
  127. US IN molecule.ecn.purdue.edu (128.46.129.95, 128.46.132.95, 128.46.136.95, 128.46.145.95, 128.46.167.95, 128.46.169.95, 128.46.181.95)
    Location: Purdue University Engineering Computer Network, West Lafayette, IN
    Synchronization: NTP V3 secondary (stratum 2), Sun SPARCserver 1000/Solaris 2.3
    Service area: NSFNET, CICNET area
    Access policy: open access
    Contact: Mike Moya (moyman@ecn.purdue.edu)
  128. US IN tick.cerias.purdue.edu(128.10.252.9), tock.cerias.purdue.edu(128.10.252.10)
    Location: CERIAS, Purdue University, West Lafayette, IN
    Synchronization: NTP V3/V4 stratum 2 servers
    Geographic Coordinates: 40:25:33.2N, 86:54:54.7W (GPS)
    Service Area: Internet2, CIC and midwest US
    Access Policy: Open access but please see our ntp WWW page .
    Contact: Gene Spafford ( ntp-request@cerias.purdue.edu )
    Note: This host does not support "daytime" -- only UDP-based NTP.
  129. US KS ntp1.kansas.net (199.240.130.1)
    Location: KansasNet OnLine Services, Manhattan, KS
    Synchronization: NTP V3 secondary (stratum 2), Linux on Intel
    Service area: Central USA / Great Plains
    Access policy: open access to ntp1.kansas.net *or* ntp2.kansas.net; customers may use both servers.
    Contact: support@kansas.net
  130. US KS ntp2.kansas.net (199.240.130.12)
    Location: KansasNet OnLine Services, Manhattan, KS
    Synchronization: NTP V3 secondary (stratum 2), Linux on Intel
    Service area: Central USA / Great Plains
    Access policy: open access to ntp1.kansas.net *or* ntp2.kansas.net; customers may use both servers.
    Contact: support@kansas.net
  131. US MA ntp.ourconcord.net (216.204.156.2)
    Location: Concord, MA
    Synchronization: NTP v4 stratum 2, Linux
    Service Area: Eastern time zone
    Access Policy: open access
    Contact: Bruce Walker (timekeeper@quidnet.com)
  132. US MN ns.nts.umn.edu (128.101.101.101)
    Location: Minneapolis, MN
    Synchronization: NTP secondary (stratum 2), Sun/SunOS 4.1.3
    Service Area: CICNET region
    Access Policy: open access, please send a message to notify.
    Networking & Telecommunications Services (nts@nts.umn.edu)
    Note: select one of ns.nts.umn.edu or nss.nts.umn.edu to equalize load
  133. US MN nss.nts.umn.edu (134.84.84.84)
    Location: St Paul, MN
    Synchronization: NTP secondary (stratum 2), Sun/SunOS 4.1.3
    Service Area: CICNET region
    Access Policy: open access, please send a message to notify.
    Networking & Telecommunications Services (nts@nts.umn.edu)
    Note: select one of ns.nts.umn.edu or nss.nts.umn.edu to equalize load
  134. US MO time-ext.missouri.edu (NO IP LISTED)
    Location: University of Missouri-Columbia, Columbia, MO, USA
    Synchronization: NTP secondary (stratum 2), Linux/Intel
    Service Area: MOREnet
    Access Policy: open access, please send a message to notify
    Contact: time@missouri.edu
  135. US MT chronos1.umt.edu (192.73.48.1)
    Location: University of Montana, Missoula, Montana
    Synchronization: NTP secondary (stratum 2), Cisco 7507
    Service Area: Northwest USA, Internet 2
    Access Policy: open access, please send message to notify
    Contact: Michael Bloom (michaelb@selway.umt.edu)
    Note: IP addresses are subject to change; please use DNS if possible
  136. US MT chronos2.umt.edu (192.73.48.2)
    Location: University of Montana, Missoula, Montana
    Synchronization: NTP secondary (stratum 2), Cisco 7507
    Service Area: Northwest USA, Internet 2
    Access Policy: open access, please send message to notify
    Contact: Michael Bloom (michaelb@selway.umt.edu)
    Note: IP addresses are subject to change; please use DNS if possible
  137. US MT chronos3.umt.edu (192.73.48.6)
    Location: University of Montana, Missoula, Montana
    Synchronization: NTP secondary (stratum 2), Cisco 7507
    Service Area: Northwest USA, Internet 2
    Access Policy: open access, please send message to notify
    Contact: Michael Bloom (michaelb@selway.umt.edu)
    Note: IP addresses are subject to change; please use DNS if possible
  138. US NC clock1.unc.edu (152.2.21.1)
    Location: University of North Carolina-Chapel Hill, Chapel Hill, NC
    Geographic Coordinates: 35:54N, 79:03W
    Synchronization: NTP secondary (stratum 2), Sun4/SunOS/xntpd (V3)
    Service Area: CONCERT region
    Access Policy: CONCERT region, others by prior arrangement
    Contact: Timekeeper (timekeeper@clock1.unc.edu) NOTE: The default restriction on this host is "noserve". Hosts outside the service area must make prior arrangements to receive time service.
  139. US NH ntp.uhfradio.com (64.35.195.62)
    Location: Contoocook, NH
    Synchronization: NTP V4 primary (GPS)Garmin16, Win2k/tac
    Service Area: Eastern time zone
    Access policy: Open access
    Contact: admin@uhfradio.com
    Note: IP addresses are subject to change; please use hostname. Important: Access policies subject to change if server is overloaded or abused. more info http://ntp.uhfradio.com
    Contact: admin (admin@uhfradio.com)
  140. US NJ tick.jrc.us (65.211.109.1)
    Location: Jensen Research Corporation, Oakland NJ
    Geographic Coordinates: 41 00.975 N, 74 15.262 W
    Synchronization: NTP V3 secondary (stratum 2), Cisco 3620 IOS 12.2
    Service Area: Eastern US
    Access Policy: Open access; please send a message to notify.
    Contact: JRC Network Ops (noc@jensenresearch.com) 201 337-4000
    Note: IP addresses are subject to change; please use DNS.
  141. US NJ tock.jrc.us (65.211.109.11)
    Location: Jensen Research Corporation, Oakland NJ
    Geographic Coordinates: 41 00.975 N, 74 15.262 W
    Synchronization: NTP V4 secondary (stratum 2), Intel PIII/866 Win2K
    Service Area: Eastern US
    Access Policy: Open access; please send a message to notify.
    Contact: JRC Network Ops (noc@jensenresearch.com) 201 337-4000
    Note: IP addresses are subject to change; please use DNS.
  142. US NV cuckoo.nevada.edu (131.216.1.101)
    Location: University of Nevada System Computing Services, Las Vegas,NV
    Synchronization: NTP V3 secondary (stratum 2), DEC Alpha/Unix
    Service Area: NevadaNet, NSFNET, SDSC region
    Access Policy: open access, please send message to notify
    Contact: Systems Group (software@nevada.edu)
    Note: cuckoo.nevada.edu is a CNAME for alphabits.nevada.edu
  143. US NV tick.cs.unlv.edu (131.216.22.15)
    Location: UNLV College of Engineering, Las Vegas, NV
    Synchronization: NTP V4 secondary (stratum 2), Solaris
    Service Area: Sprintnet
    Access Policy: open access, an email note is appreciated
    Contact: <grayaw@egr.unlv.edu>
    Note: select one of tick.cs.unlv.edu or tock.cs.unlv.edu at random to equalize load
  144. US NV tock.cs.unlv.edu (131.216.22.17)
    Location: UNLV College of Engineering, Las Vegas, NV
    Synchronization: NTP V4 secondary (stratum 2), Mips/Unix
    Service Area: Sprintnet
    Access Policy: open access, an email note is appreciated
    Contact: <grayaw@egr.unlv.edu>
    Note: select one of tick.cs.unlv.edu or tock.cs.unlv.edu at random to equalize load
  145. US NY clock.linuxshell.net (64.243.118.2)
    Location: LinuxShell Hosting , New York, NY, US.
    Synchronization: NTP V3 secondary (stratum 2), PC/Linux
    Service Area: Eastern US
    Access Policy: Open access.
    Contact: Chris Crowther ( timekeeper@linuxshell.net )
    Note: clock.linuxshell.net is a CNAME, please use as DNS may change.
  146. US NY clock.nyc.he.net (209.51.161.238)
    Location: Hurricane Electric , New York City, New York
    Synchronization: NTP V4 primary (CMDA), Endrun Praecis CNTP
    Service Area: all areas
    Access Policy: open access
    Contact: support@he.net
  147. US NY ntp0.cornell.edu
    Location: Cornell University, Ithaca, NY
    Synchronization: NTP secondary (stratum 2), Sun/Unix
    Service Area: NYSERNet, NYSERNet 2000, Internet2/Abilene, vBNS
    Access Policy: open access
    Contact: Dan Eckstrom ( de10@cornell.edu )
    Note: IP addresses are subject to change; please use DNS.
    Note: Open access for clients, though an email is appreciated (especially if peering).
  148. US NY reva.sixgirls.org (66.250.131.180)
    Location: The NYITC Building, 55 Broad Street, New York City, NY
    Geographic Coordinates: 40:42:20N, 74:0:40W
    Synchronization: NTP V4 secondary (stratum 2), m68k/NetBSD
    Service Area: New York, New Jersey, Connecticut, Long Island areas
    Access Policy: open access
    Contact: John Klos (john@sixgirls.org)
  149. US NY sundial.columbia.edu (128.59.59.177)
    Location: Morningside Campus, Columbia University, New York, NY
    Synchronization: NTP V3 secondary (stratum 2), Sun Sparc10 model 40
    Service Area: NYSERnet
    Access Policy: open access; please use name rather than address.
    Contact: timekeeper@columbia.edu
  150. US NY timex.cs.columbia.edu (128.59.16.20)
    Location: Columbia University Computer Science Department, New York City, NY
    Synchronization: NTP secondary (stratum 2), Sun/Unix
    Service Area: PSINET; NSFNET, NYSER region
    Access Policy: open access, authenticated NTP (DES/MD5) available
    Contact: James Tanis (timekeeper@cs.columbia.edu)
    Note: IP addresses are subject to change; please use DNS
  151. US PA clock-1.cs.cmu.edu (128.2.250.95)
    Location: Carnegie Mellon University Computer Science, Pittsburgh, PA
    Synchronization: NTP V3 secondary (stratum 2), Sun Sparc/Solaris 2.5.1
    Service Area: PSC region
    Access Policy: semi-open access; for use only by prior arrangement
    Contact: Help@cs.cmu.edu
    Note: The host name is an alias used only for time service.
  152. US PA clock-2.cs.cmu.edu (128.2.222.8)
    Location: Carnegie Mellon University Computer Science, Pittsburgh, PA
    Synchronization: NTP V3 secondary (stratum 2), Sun Sparc/SunOS 4.1.4
    Service Area: PSC region
    Access Policy: semi-open access; for use only by prior arrangement
    Contact: Help@cs.cmu.edu
    Note: The host name is an alias used only for time service.
  153. US PA clock.psu.edu (128.118.25.3)
    Location: Penn State University, University Park, PA
    Geographic Coordinates: 40:47:58.1N, 77:51:44.8W (USGS 40077-G7-TF-024)
    Synchronization: NTP V3 secondary (stratum 2), Sun/Unix
    Service Area: Internet2 , vBNS , CERFnet (AT & T IP Services), PSC/NCNE , CASC .
    Access Policy: open access
    Contact: John Balogh <JDB@psu.edu>
    Note: clock.psu.edu is a CNAME for otc2.psu.edu
  154. US PA fuzz.psc.edu (128.182.58.100)
    Location: Pittsburgh Supercomputing Center, Pittsburgh, PA
    Synchronization: NTP V3 secondary (stratum 2), DEC5000/200
    Service area: NSFNET, PSC region
    Access policy: open access, but please send a message to notify.
    Contact: noc@psc.edu
  155. US PA ntp-1.cede.psu.edu (146.186.218.60)
    Location: Penn State University, University Park, PA
    Synchronization: NTP V4 secondary (stratum 2), IBM RS/6000-B50, Debian GNU Linux
    Service Area: Internet2, vBNS, CERFnet, PSC/NCNE
    Access Policy: open access, please send a message to notify
    Contact: timekeeper@cede.psu.edu
    Note: IP addresses are subject to change; please use DNS
  156. US PA ntp-2.cede.psu.edu (146.186.218.253)
    Location: Penn State University, University Park, PA
    Synchronization: NTP V4 secondary (stratum 2), i686, Debian GNU Linux
    Service Area: Internet2, vBNS, CERFnet, PSC/NCNE
    Access Policy: open access, please send a message to notify
    Contact: timekeeper@cede.psu.edu
    Note: IP addresses are subject to change; please use DNS
  157. US PA ntp-1.ece.cmu.edu (no address, please use DNS)
    Location: Carnegie Mellon Electrical and Computer Engineering, Pittsburgh, PA
    Geographic Coordinates: 40:26N, 79:57W
    Synchronization: NTP V3 secondary (stratum 2), Solaris 9
    Service Area: PREPNET, PSC region
    Access Policy: open access
    Contact: ECE Facilities (gripe@ece.cmu.edu)
    Note: Name is an alias for use by NTP.
  158. US PA ntp-2.ece.cmu.edu (no address, please use DNS)
    Location: Carnegie Mellon Electrical and Computer Engineering, Pittsburgh, PA
    Geographic Coordinates: 40:26N, 79:57W
    Synchronization: NTP V3 secondary (stratum 2), Solaris 9
    Service Area: PREPNET, PSC region
    Access Policy: open access
    Contact: ECE Facilities (gripe@ece.cmu.edu)
    Note: Name is an alias for use by NTP.
  159. US TX ntp.cox.smu.edu (129.119.80.126)
    Location: Cox School of Business, Southern Methodist University, Dallas, TX
    Synchronization: NTP V3 secondary (stratum 2), DEC 3000/300LX AXP DEC OSF/1 AXP
    Service Area: NSFNET, SESQUI region
    Access Policy: open access
    Contact: Allen Gwinn (allen@mail.cox.smu.edu)
    Note: Please send e-mail letting us know you will be using ntp.cox.smu.edu. ntp.cox.smu.edu is a CNAME for nyse.cox.smu.edu.
  160. US TX ntp.fnbhs.com (209.144.20.76)
    Location: First National Bank of Hughes Springs, TX
    Synchronization: NTP secondary (stratum 2), Debian Linux 2.1
    Service area: Northeast Texas
    Access policy: open access, please send a message to notify
    Contact: walterp@fnbhs.com
  161. US TX ntp.tmc.edu (128.249.1.10)
    Location: US TX ntp.tmc.edu (128.249.1.10)
    Location: Baylor College of Medicine, Houston, TX
    Synchronization: NTP secondary (stratum 2), Sun/Solaris
    Service Area: NSFNET, SESQUI region
    Access Policy: open access to other stratum 2 servers and upstream for statum 3 servers;not to be used for individual servers;please notify before use
    Contact: Postmaster (postmaster@tmc.edu)
  162. US TX ntppub.tamu.edu (no address available)
    Location: Texas A&M University, College Station, TX
    Synchronization: NTP secondary (stratum 2, ver. 3), SPARCstation 10/Solaris 1.x
    Service area: NSFNET, SESQUI region, THEnet, TAMUSDSN
    Access policy: open access
    Contact: NTP Administrator (ntp@tamu.edu)
  163. US TX tick.greyware.com (207.55.146.19)
    Location: Greyware Automation Products, Plano, TX
    Synchronization: NTP secondary (stratum 2), Windows NT
    Service Area: South-Central US, others by arrangement
    Access Policy: open access for any server with 50+ clients
    Contact: techsupport@greyware.com
    Note: IP may change, please use DNS name. Other protocols offered include TIME-UDP, TIME-TCP, and Domain Time II
  164. US TX tock.greyware.com (207.55.146.54)
    Location: Greyware Automation Products, Plano, TX
    Synchronization: NTP secondary (stratum 2), Windows NT
    Service Area: South-Central US, others by arrangement
    Access Policy: open access for any server with 50+ clients
    Contact: techsupport@greyware.com
    Note: IP may change, please use DNS name. Other protocols offered include TIME-UDP, TIME-TCP, and Domain Time II
  165. US VA ntp-1.vt.edu (198.82.1.201)
    Location: Virginia Tech, Blacksburg, Virginia, USA
    Synchronization: V3 Stratum 2 synced to local GPS primary servers
    Service Area: US southeastern region, Abilene
    Access Policy: open access
    Info: Communications Network Services
    Contact: ntp@cns.vt.edu
  166. US VA ntp-2.vt.edu (198.82.1.202)
    Location: Virginia Tech, Blacksburg, Virginia, USA
    Synchronization: V3 Stratum 2 synced to local GPS primary servers
    Service Area: US southeastern region, Abilene
    Access Policy: open access
    Info: Communications Network Services
    Contact: ntp@cns.vt.edu
  167. US VA ntp-3.vt.edu (198.82.1.203)
    Location: Virginia Tech, Blacksburg, Virginia, USA
    Synchronization: V3 Stratum 2 synced to local GPS primary servers
    Service Area: US southeastern region, Abilene
    Access Policy: open access
    Info: Communications Network Services
    Contact: ntp@cns.vt.edu
  168. US VA ntp-4.vt.edu (198.82.1.204)
    Location: Virginia Tech, Blacksburg, Virginia, USA
    Synchronization: V3 Stratum 2 synced to local GPS primary servers
    Service Area: US southeastern region, Abilene
    Access Policy: open access
    Info: Communications Network Services
    Contact: ntp@cns.vt.edu
  169. US VT ntp0.state.vt.us (159.105.23.194)
    Location: Vermont Agency of Administration, Montpelier
    Synchronization: NTP V3 secondary (stratum 2), IBM RS/6000 AIX 4.3.3
    Service Area: Vermont
    Access Policy: semi-open access; for use by any Govnet/K12net/VALS clients (159.105/16 & 170.222/16 prefixes)
    Contact: <info@govnet.state.vt.us>
    Note: The host name is an alias used only for time service.
  170. US VT ntp1.state.vt.us (159.105.23.130)
    Location: Vermont Agency of Administration, Montpelier
    Synchronization: NTP V3 secondary (stratum 2), IBM RS/6000 AIX 4.3.3
    Service Area: Vermont
    Access Policy: semi-open access; for use by any Govnet/K12net/VALS clients (159.105/16 & 170.222/16 prefixes)
    Contact: <info@govnet.state.vt.us>
    Note: The host name is an alias used only for time service.
  171. US VT ntp2.state.vt.us (170.222.64.130)
    Location: Vermont Agency of Administration, Montpelier
    Synchronization: NTP V3 secondary (stratum 2), IBM RS/6000 AIX 4.3.3
    Service Area: Vermont
    Access Policy: semi-open access; for use by any Govnet/K12net/VALS clients (159.105/16 & 170.222/16 prefixes)
    Contact: <info@govnet.state.vt.us>
    Note: The host name is an alias used only for time service.
  172. US WA [UltiMeth Systems]
    Location: Mill Creek (30km N of Seattle), Washington, USA
    Geographic Coordinates: 47:51:40.7N 122:11:23.5W
    Synchronization: NTP v4 stratum-2
    Service Area: Northwestern USA.
    Access Policy: Prior permission is now required, due to bozos .
    Contact: See our time server usage notes .
  173. US WI ntp1.cs.wisc.edu (128.105.39.11)
    Location: Computer Science Department, University of Wisconsin-Madison
    Geographic Coordinates: 89:24:30W, 43:08:00N
    Synchronization: NTP V4 secondary Solaris 2.7
    Service Area: US/any
    Access Policy: open access
    Contact: David Thompson ( ntp-admin@cs.wisc.edu )
    Note: IP addresses are subject to change; please use DNS
  174. US WI ntp3.cs.wisc.edu (128.105.37.11)
    Location: Computer Science Department, University of Wisconsin-Madison
    Geographic Coordinates: 89:24:30W, 43:08:00N
    Synchronization: NTP V4 secondary Solaris 2.7
    Service Area: US/any
    Access Policy: open access
    Contact: David Thompson ( ntp-admin@cs.wisc.edu )
    Note: IP addresses are subject to change; please use DNS
  175. US WI ntp3.sf-bay.org (207.126.97.57)
    Location: Milwaukee, WI
    Synchronization: NTP secondary (stratum 2), FreeBSD
    Service Area: North America: Central Time Zone
    Access Policy: open access, please send a message to notify
    Contact: Scott Hazen Mueller ( clockmaster@sf-bay.org )
  176. VE ntp.linux.org.ve (150.188.8.196)
    Localizaci: VELUG, Grupo de Usuarios Linux de Venezuela
    Sincronizaci: NTP secundario (stratum 2), Pentium/Linux
    Area de Servicio: Arica
    Potica de Acceso: Abierta, por favor enviar e-mail para notificar
    Contacto: time@linux.org.ve
  177. ZA ntp.cs.unp.ac.za (143.128.82.200)
    Location: Natal University, Pietermaritzburg, South Africa
    Synchronization: NTP V3 secondary (stratum 2), SGI Indy/Irix6.2
    Service area: South Africa
    Access policy: open access, please send a message to notify
    Contact: sysadmin@cs.unp.ac.za
  178. ZA tock.nml.csir.co.za (146.64.241.229)
    Location: Pretoria, South Africa
    Geographic Coordinates: 25,7461 S 28,2770 E (WGS-84)
    Service Area: Southern Africa
    Synchronization: NTP secondary (stratum 2), i386/FreeBSD
    Access Policy: open access
    Contact: elmarais@csir.co.za
 
     
     

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