Stratum One Time Servers

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ISO: Service Area: Access Policy: Notify? LastModified:
AD Andorra/Europe ClosedAccess Yes 17 Dec 2021 - 13:44
AE UAE, Saudi Arabia & EMEA OpenAccess Yes 28 Apr 2019 - 09:29
AT aco.net, VIX customers, Austrian Internet users OpenAccess No 20 Dec 2019 - 19:11
AT aco.net, VIX customers, Austrian Internet users OpenAccess No 17 Jul 2009 - 11:01
AT Austria/Europe OpenAccess No 20 Dec 2019 - 19:50
AU Australia ClosedAccess Yes 27 Sep 2012 - 03:21
AU Australia ClosedAccess Yes 11 Apr 2013 - 22:44
AU Australia ClosedAccess Yes 27 Sep 2012 - 03:22
AU Australia ClosedAccess Yes 27 Sep 2012 - 03:20
AU Global OpenAccess No 01 Jan 2020 - 15:06
BE Europe OpenAccess No 29 Jun 2022 - 13:38
BE Europe OpenAccess No 29 Jun 2022 - 13:39
BE Europe OpenAccess No 20 Dec 2022 - 15:40
BE Belgium RestrictedAccess Yes 10 Oct 2022 - 13:47
BE Europe RestrictedAccess Yes 16 Sep 2020 - 11:12
BE Europe RestrictedAccess Yes 16 Sep 2020 - 11:11
BG Bulgaria, Europe OpenAccess No 20 Dec 2019 - 19:22
BG Worldwide OpenAccess No 21 Jun 2022 - 12:09
BR Brazil, Latin America and Caribbean OpenAccess No 07 Feb 2019 - 19:49
BR Brazil OpenAccess No 18 Feb 2013 - 20:48
BR Brazil OpenAccess No 18 Feb 2013 - 20:48
BR Brazil OpenAccess No 18 Feb 2013 - 20:49
BR Brazil OpenAccess No 11 Mar 2011 - 18:29
BR Brazil OpenAccess No 20 Dec 2019 - 19:29
BR Brazil, Latin America and Caribbean OpenAccess No 08 Feb 2019 - 01:15
BR Worldwide OpenAccess Yes 30 Sep 2022 - 15:16
BY Belarus, Europe OpenAccess No 17 Jan 2024 - 21:19
CA SASK#net, CA*net, Canada RestrictedAccess Yes 25 Sep 2004 - 02:40
CA SASK#net, CA*net, Canada OpenAccess Yes 07 Jun 2017 - 19:15
CA SASK#net, CA*net, Canada OpenAccess Yes 08 Jun 2017 - 14:36
CA Worldwide OpenAccess No 27 Jun 2019 - 09:35
CA Worldwide OpenAccess No 27 Jun 2019 - 09:36
CA Worldwide OpenAccess No 27 Jun 2019 - 09:36
CA North America OpenAccess Yes 25 Jul 2019 - 23:36
CA North America OpenAccess Yes 26 Jul 2019 - 16:44
CA Worldwide OpenAccess No 23 Nov 2023 - 02:30
CA Worldwide OpenAccess No 18 Nov 2020 - 01:36
CH Europe OpenAccess Yes 18 Jun 2012 - 16:07
CH Europe OpenAccess Yes 18 Jun 2012 - 16:02
CH Europe OpenAccess Yes 26 Dec 2013 - 20:34
CH Switzerland OpenAccess Yes 18 Jan 2024 - 19:40
CH Switzerland OpenAccess Yes 27 Feb 2024 - 15:16
CHE Europe OpenAccess Yes 26 Jun 2019 - 07:41
CHE Europe OpenAccess Yes 26 Jun 2019 - 07:41
CL Chile OpenAccess Yes 25 Sep 2004 - 02:54
CN China OpenAccess Yes 08 Aug 2013 - 02:08
CN Asia, China, anywhere OpenAccess Yes 20 Dec 2019 - 20:23
CN china OpenAccess No 02 Feb 2023 - 09:54
CZ Czech Republic and Slovakia, European academic community RestrictedAccess Yes 30 Sep 2022 - 15:09
CZ Czech Republic OpenAccess No 12 Oct 2023 - 18:43
CZ Global OpenAccess Yes 10 Sep 2023 - 01:19
DE Germany/Europe OpenAccess No 20 Dec 2019 - 22:49
DE Germany/Europe OpenAccess No 20 Dec 2019 - 22:48
DE Germany/Europe OpenAccess No 20 Dec 2019 - 22:48
DE Germany/Europe OpenAccess No 20 Dec 2019 - 22:48
DE Germany/Europe OpenAccess No 20 Dec 2019 - 22:48
DE Germany/Europe OpenAccess No 10 Feb 2016 - 07:05
DE Germany/Europe, others by arrangement OpenAccess Yes 20 Dec 2019 - 22:50
DE Germany/Europe, others by arrangement OpenAccess Yes 11 Jan 2007 - 18:32
DE Germany/Europe OpenAccess Yes 03 Nov 2023 - 11:41
DE DE ClosedAccess Yes 11 Sep 2023 - 23:27
DE Networks BGP-announced on the rlp-Netz and the X-WiN RestrictedAccess No 13 Oct 2023 - 12:14
DE Germany/Europe OpenAccess No 30 Sep 2022 - 15:11
DE Germany/Europe OpenAccess No 30 Sep 2022 - 15:12
DE HAMNet / Europe OpenAccess Yes 23 Jan 2015 - 13:12
DE Germany OpenAccess No 05 Jan 2023 - 19:52
DE Germany OpenAccess Yes 30 Sep 2022 - 15:18
DE global OpenAccess Yes 31 Oct 2022 - 21:47
DE Europe OpenAccess Yes 23 Sep 2021 - 06:38
DE Europe OpenAccess No 10 Feb 2021 - 02:20
DE Europe OpenAccess Yes 23 Sep 2021 - 06:38
DK Networks BGP-announced on the DIX RestrictedAccess No 25 Sep 2004 - 14:25
DK Denmark/Europe RestrictedAccess Yes 06 Apr 2023 - 07:00
DK Denmark / Europe OpenAccess Yes 20 Dec 2022 - 15:38
DK Global RestrictedAccess Yes 30 Dec 2022 - 22:48
DK Denmark / Europe RestrictedAccess No 13 Sep 2023 - 15:16
DK Global RestrictedAccess Yes 31 Jan 2023 - 06:26
DK Europe OpenAccess No 16 Jun 2021 - 21:11
DK Global RestrictedAccess Yes 08 Dec 2021 - 10:50
DK Denmark/Europe OpenAccess No 04 Oct 2023 - 11:14
EE worldwide OpenAccess Yes 26 Jul 2013 - 21:14
EE worldwide OpenAccess Yes 26 Jul 2013 - 21:14
EG North Africa OpenAccess Yes 09 Sep 2023 - 17:56
ES Worldwide OpenAccess Yes 30 Sep 2022 - 15:20
ES Internet OpenAccess No 20 Dec 2022 - 17:46
ES Worldwide OpenAccess Yes 30 Sep 2022 - 15:59
FR Worldwide RestrictedAccess Yes 03 Aug 2022 - 12:49
FR France, Europe OpenAccess Yes 30 Sep 2022 - 16:00
FR Worldwide OpenAccess No 20 Dec 2022 - 15:41
GR Worldwide OpenAccess No 09 Oct 2020 - 01:27
HK Hong Kong OpenAccess No 12 Oct 2023 - 18:01
HK Hong Kong OpenAccess No 23 Nov 2023 - 19:49
HR Croatia, Europe OpenAccess Yes 03 Sep 2022 - 23:01
HR Croatia, Europe OpenAccess Yes 03 Sep 2022 - 23:01
ID Jakarta, Indonesia RestrictedAccess Yes 20 Dec 2019 - 21:51
ID Indonesia RestrictedAccess Yes 13 Sep 2023 - 15:26
IE Ireland, UK OpenAccess Yes 25 Sep 2004 - 14:41
IE As network paths make it sensible to use RestrictedAccess Yes 13 Sep 2023 - 15:27
IN India & Worldwide OpenAccess Yes 15 Jul 2020 - 06:43
IS Iceland RestrictedAccess No 20 Dec 2022 - 15:34
IT Italy/Europe OpenAccess Yes 24 Jan 2007 - 15:00
IT Italy/Europe OpenAccess Yes 20 Dec 2019 - 23:27
IT Italia/Europa OpenAccess Yes 12 Oct 2023 - 16:36
IT Italy/Europe OpenAccess Yes 10 Jul 2022 - 21:23
JO Jordan OpenAccess Yes 20 Nov 2023 - 15:47
JP Japan and Asia OpenAccess No 19 Oct 2023 - 13:38
JP Japan and Asia OpenAccess Yes 20 Dec 2019 - 18:52
KZ Kazakhstan OpenAccess Yes 20 Dec 2019 - 21:25
KZ Europe, Asia OpenAccess Yes 19 Mar 2019 - 09:02
LT Lithuania/Europe OpenAccess Yes 02 Aug 2021 - 20:36
NL The Netherlands/Europe OpenAccess No 20 Dec 2019 - 23:01
NL The Netherlands/Europe OpenAccess No 26 Jun 2017 - 13:23
NL Europe OpenAccess No 10 Jun 2016 - 07:41
NL Central Europe OpenAccess Yes 07 Jul 2022 - 19:05
NL The Netherlands/Europe RestrictedAccess Yes 30 Mar 2019 - 13:15
NL Netherlands (NL) and surrounding countries (EU) OpenAccess No 16 Feb 2022 - 18:15
NO NORDUnet ClosedAccess Yes 20 Dec 2022 - 15:22
NO NORDUnet RestrictedAccess Yes 25 Sep 2004 - 15:04
NO Norway RestrictedAccess No 20 Apr 2020 - 23:42
NZ New Zealand and Pacific Islands RestrictedAccess No 19 Dec 2017 - 00:27
NZ New Zealand OpenAccess No 19 Feb 2020 - 23:34
NZ New Zealand and Pacific Islands RestrictedAccess No 12 Oct 2023 - 17:58
NZ New Zealand and Pacific Islands RestrictedAccess No 12 Oct 2023 - 17:58
NZ New Zealand and Pacific Islands RestrictedAccess No 12 Oct 2023 - 17:58
NZ New Zealand OpenAccess No 27 Apr 2023 - 23:03
PL Internet OpenAccess No 20 Dec 2019 - 23:01
PL Public OpenAccess No 20 Dec 2022 - 15:30
PL Poland/Europe OpenAccess No 31 Mar 2015 - 08:52
PL rflab.pl OpenAccess Yes 05 Jan 2023 - 22:16
PL Public OpenAccess Yes 25 Jul 2018 - 21:20
PL Public OpenAccess Yes 20 Dec 2019 - 22:17
RO Worldwide ClosedAccess Yes 08 Dec 2019 - 10:19
RO Worldwide ClosedAccess Yes 08 Dec 2019 - 10:20
RO Worldwide ClosedAccess Yes 08 Dec 2019 - 10:18
RO Romania/Europe RestrictedAccess Yes 25 Jun 2008 - 19:58
RU All areas OpenAccess Yes 26 Aug 2022 - 10:22
RU All areas OpenAccess Yes 26 Aug 2022 - 10:26
RU All areas OpenAccess Yes 15 Apr 2013 - 09:59
RU Russia, Far East ClosedAccess Yes 19 Jun 2006 - 03:33
RU All areas OpenAccess Yes 26 Aug 2022 - 10:26
RU Russia OpenAccess Yes 23 Jul 2023 - 09:00
RU All areas OpenAccess Yes 12 Oct 2022 - 13:07
RU All areas OpenAccess Yes 12 Oct 2022 - 13:08
RU Worldwide OpenAccess No 09 May 2013 - 07:20
RU Any, anycast cluster used OpenAccess No 07 May 2014 - 09:07
RU All areas OpenAccess Yes 12 Oct 2022 - 13:09
RU   OpenAccess Yes 01 Nov 2012 - 01:59
RU   OpenAccess Yes 01 Nov 2012 - 02:01
RU Europe OpenAccess No 09 Jun 2023 - 11:29
RU Europe OpenAccess No 06 Feb 2013 - 01:47
RU Any, anycast cluster used OpenAccess No 07 May 2014 - 09:05
RU Worldwide OpenAccess No 25 Jun 2021 - 10:30
RU All areas OpenAccess No 04 Mar 2016 - 10:24
RU Worldwide OpenAccess No 26 Sep 2017 - 23:21
RU Russia/Europe OpenAccess No 28 May 2023 - 16:42
RU Russia/Europe OpenAccess Yes 31 Jan 2021 - 20:34
RU Russia OpenAccess Yes 23 Jul 2023 - 09:03
RU Worldwide OpenAccess Yes 04 Mar 2024 - 08:12
SA Worldwide OpenAccess Yes 17 May 2017 - 07:00
SA Worldwide OpenAccess Yes 17 May 2017 - 06:59
SE Global OpenAccess No 30 Sep 2022 - 16:11
SE Global OpenAccess No 30 Sep 2022 - 16:11
SE Global OpenAccess No 30 Sep 2022 - 16:12
SE Global OpenAccess No 30 Sep 2022 - 16:13
SE all areas OpenAccess No 27 Sep 2004 - 01:52
SE Global OpenAccess No 20 Dec 2019 - 23:05
SE Global OpenAccess No 20 Dec 2019 - 23:05
SE SUnet, NORDUnet OpenAccess No 20 Dec 2019 - 23:05
SE Europe OpenAccess No 20 Dec 2019 - 23:06
SE Sweden OpenAccess No 30 Sep 2022 - 16:15
SE worldwide OpenAccess No 27 Jun 2013 - 12:37
SE   OpenAccess No 15 Jan 2013 - 09:41
SE Sweden OpenAccess No 30 Sep 2022 - 16:16
SE Global OpenAccess No 20 Dec 2019 - 22:04
SE Global OpenAccess No 20 Dec 2019 - 22:04
SE Global OpenAccess No 08 Nov 2017 - 10:19
SG STIX/Asia (outside Singapore), others by arrangement RestrictedAccess Yes 27 Sep 2004 - 02:08
SG Worldwide OpenAccess Yes 28 Aug 2023 - 05:58
SG Vultr RestrictedAccess No 03 May 2021 - 13:51
SI Slovenia, European academic community, others by arrangement RestrictedAccess Yes 04 Oct 2022 - 22:31
SI Slovenia, Ex-Yugoslavia academic community, others by arrangement OpenAccess Yes 20 Dec 2022 - 15:25
SI Europe OpenAccess No 15 Nov 2023 - 18:34
SI Europe OpenAccess No 15 Nov 2023 - 18:34
SI Europe OpenAccess No 15 Nov 2023 - 18:34
SI Europe OpenAccess No 15 Nov 2023 - 18:34
TR Wordwide OpenAccess Yes 20 Dec 2019 - 20:31
UA Central and Easten Europe OpenAccess Yes 27 Aug 2011 - 20:08
UA Central and Easten Europe OpenAccess Yes 26 Aug 2011 - 10:37
UA Central and Easten Europe OpenAccess Yes 10 Sep 2023 - 00:27
UA Worldwide OpenAccess Yes 03 Feb 2021 - 10:35
UA Europe OpenAccess No 14 Dec 2023 - 09:41
UK JANET ClosedAccess Yes 27 Sep 2004 - 02:17
UK World Wide RestrictedAccess Yes 08 Oct 2016 - 10:10
UK Worldwide OpenAccess Yes 06 Jan 2017 - 23:42
UK Worldwide OpenAccess Yes 06 Jan 2017 - 23:40
UK Worldwide OpenAccess Yes 06 Jan 2017 - 23:41
UK Worldwide OpenAccess No 28 Jan 2017 - 11:45
UK Worldwide OpenAccess No 28 Jan 2017 - 11:47
UK UK, Europe OpenAccess Yes 11 Mar 2022 - 10:23
UK UK / Europe OpenAccess Yes 09 Sep 2023 - 18:01
UK Worldwide RestrictedAccess Yes 21 Nov 2019 - 07:06
UK Worldwide OpenAccess Yes 05 Feb 2023 - 11:59
UK UK, Europe, Worldwide OpenAccess Yes 12 Jan 2024 - 20:34
US World OpenAccess No 15 Dec 2019 - 01:36
US World OpenAccess No 16 Dec 2019 - 18:33
US USA OpenAccess Yes 19 Jun 2022 - 12:45
US US OpenAccess No 02 Dec 2021 - 21:24
US US OpenAccess No 05 Jun 2021 - 03:11
US AK Pacific Northwest, others by arrangement RestrictedAccess Yes 13 Mar 2014 - 18:56
US CA all areas OpenAccess No 30 Sep 2022 - 18:43
US CA all areas OpenAccess No 07 Dec 2019 - 22:08
US CA BARRnet, Alternet-west, CIX-west OpenAccess No 24 Mar 2005 - 23:12
US CA USA Pacific timezone, others by arrangement RestrictedAccess Yes 13 Mar 2014 - 04:29
US CA Pacific time zone, others on request RestrictedAccess Yes 13 Mar 2014 - 19:03
US CA US OpenAccess Yes 05 Mar 2008 - 20:26
US CA US OpenAccess No 02 Mar 2012 - 22:38
US CA North America - See https://ntpsec.anastrophe.com for restrictions ClosedAccess Yes 16 Jan 2023 - 23:54
US CA Global OpenAccess No 13 Oct 2023 - 12:55
US CO USA Pacific and Mountain time zones, others by arrangement. RestrictedAccess No 07 Dec 2019 - 22:11
US CO NSFnet, WESTnet OpenAccess No 07 Dec 2019 - 22:15
US CO NSFnet, WESTnet OpenAccess No 07 Dec 2019 - 22:18
US CO NSFnet, WESTnet OpenAccess No 07 Dec 2019 - 22:19
US CO Western US OpenAccess No 27 Dec 2019 - 21:24
US CO US Pacific, Mountain time zones, others by arrangement RestrictedAccess Yes 01 Jun 2015 - 17:09
US CO Open RestrictedAccess Yes 14 Sep 2023 - 00:41
US CO Mountain Time Zone OpenAccess No 18 Dec 2019 - 20:36
US CT New England and Montr\xE9al ClosedAccess No 30 Aug 2017 - 03:49
US DC Eastern Time Zone RestrictedAccess No 13 Oct 2015 - 16:17
US DC Eastern Time Zone RestrictedAccess No 13 Oct 2022 - 18:38
US DC Eastern Time Zone RestrictedAccess No 13 Oct 2015 - 16:17
US DE interplanetary RestrictedAccess No 31 May 2013 - 23:56
US FL Global OpenAccess No 11 Aug 2020 - 06:35
US FL Global OpenAccess No 11 Aug 2020 - 06:34
US FL Eastern Time Zone USA OpenAccess No 03 Jun 2021 - 12:42
US GA USA Eastern timezone, others by arrangement RestrictedAccess No 23 Oct 2015 - 16:45
US GA USA Eastern timezone, others by arrangement OpenAccess No 06 Aug 2018 - 02:06
US IA Planetary OpenAccess No 30 Jul 2014 - 21:22
US IA Planetary OpenAccess No 20 Dec 2019 - 20:34
US IL CICNET, Midwest, NCSA region ClosedAccess Yes 24 Jul 2020 - 22:09
US IL North America OpenAccess No 20 Dec 2019 - 18:58
US IL North America OpenAccess No 11 May 2017 - 19:35
US IL North America OpenAccess No 01 Feb 2020 - 21:25
US IN Internet2, CIC and midwest US RestrictedAccess Yes 07 Jun 2017 - 16:01
US IN North America RestrictedAccess Yes 03 Jun 2017 - 19:06
US IN North America RestrictedAccess Yes 30 Jan 2018 - 16:39
US IN North America RestrictedAccess Yes 14 Mar 2018 - 13:11
US MA Eastern US OpenAccess Yes 27 Sep 2004 - 03:31
US MA Eastern US OpenAccess No 27 Sep 2004 - 03:38
US MA Eastern US RestrictedAccess No 14 Sep 2023 - 02:09
US MD NSFnet, SURAnet OpenAccess No 19 Aug 2005 - 21:33
US MD NSFnet, SURAnet OpenAccess No 19 Aug 2005 - 21:35
US MN Worldwide OpenAccess No 27 Jun 2018 - 01:27
US MN US and Canada OpenAccess No 02 Nov 2019 - 05:08
US MN US and Canada OpenAccess No 20 Dec 2019 - 22:33
US MN Northern Midwest OpenAccess Yes 22 Mar 2023 - 02:17
US MO USA Central timezone, others by arrangement. RestrictedAccess No 23 Oct 2015 - 16:45
US MO MOREnet RestrictedAccess Yes 05 Jun 2017 - 13:53
US NJ Eastern US RestrictedAccess Yes 02 Dec 2011 - 03:15
US NJ North and South America OpenAccess No 10 Sep 2023 - 00:42
US NY all areas OpenAccess No 20 Dec 2019 - 22:47
US NY Northeastern United States OpenAccess Yes 10 Sep 2023 - 04:51
US NY NYSERnet RestrictedAccess No 13 Oct 2015 - 20:47
US NY North America OpenAccess No 09 Mar 2024 - 12:24
US OH North America OpenAccess Yes 19 Jun 2022 - 12:44
US OK Central Time Zone, others by arrangement RestrictedAccess No 03 Jun 2017 - 19:22
US PA Internet, Internet2, 3ROX ClosedAccess Yes 03 Jun 2017 - 19:23
US TX US Central time zone, others on request RestrictedAccess No 23 Oct 2015 - 16:46
US TX US OpenAccess Yes 17 Jun 2021 - 21:22
US UT Utah / Western US OpenAccess Yes 28 Apr 2023 - 14:50
US WA United States OpenAccess Yes 12 Jun 2019 - 18:14
US WA North America ClosedAccess Yes 04 Nov 2021 - 01:09
US WI US/any RestrictedAccess Yes 05 Jun 2017 - 22:26
US WI Global OpenAccess Yes 06 Nov 2022 - 06:29
US WI Global OpenAccess Yes 06 Nov 2022 - 06:30
US WI Global OpenAccess Yes 06 Nov 2022 - 06:30
ZA South Africa OpenAccess No 15 Nov 2022 - 09:02
ZA South Africa OpenAccess No 15 Nov 2022 - 09:03
ZA South Africa OpenAccess No 15 Nov 2022 - 09:05

Related topics: RulesOfEngagement, StratumTwoTimeServers, ManagingYourListEntries

Topic revision: r19 - 17 Jul 2023, DruLavigne