Below is the list of publickly accessible NTP time servers located in Poland, along with their hostnames, IP addresses, Stratum levels, AS numbers and contact information.
List consists of trustworthy sources such as government agencies, scientific organizations, ISPs or major infrastructure providers. STRATUM 1 and 2.
If you're looking to use any of those NTP servers in business-critical production environment, please consider obtaining time from a time source directly, e.g. via GPS receiver or caesium atomic clock.
| Host organization | Hostname(s) | IPv4 | IPv6 | STRATUM | ASN | Contact information |
|---|---|---|---|---|---|---|
| Główny Urząd Miar (Central Office of Measures) | tempus1.gum.gov.pl tempus2.gum.gov.pl |
194.146.251.100 194.146.251.101 |
N/A | 1 | AS50606 | [email protected] |
| NASK (Research and Academic Computer Network) | ntp.nask.pl |
195.187.245.55 |
N/A | 1 | AS8308 | [email protected] |
| Orange Polska (Orange Poland) | ntp1.tp.pl ntp2.tp.pl ntp1.orange.pl ntp2.orange.pl ntp3.orange.pl |
80.50.231.226 212.160.106.226 80.50.102.114 80.50.102.206 80.50.102.126 |
2a01:1102::b:0:0:0:2 2a01:1100:3::2 |
1 | AS5617 | N/A |
| Uniwersytet Warszawski (University of Warsaw) | ntp1.icm.edu.pl ntp2.icm.edu.pl |
213.135.57.60 193.219.28.60 |
2001:6a0::2000:0:0:0:60 2001:6a0::2002:0:0:0:60 |
2 | AS8664 | [email protected] |
| Instytut Łączności (National Institute of Telecommunications) | ntp.itl.waw.pl |
193.110.137.171 |
N/A | 1 | AS24597 | [email protected] |
| Centrum Badań Kosmicznych PAN (Space Research Centre of Polish Academy of Sciences) | vega.cbk.poznan.pl |
150.254.190.51 |
N/A | 1 | AS9112 | [email protected] |
| Uniwersytet Mikołaja Kopernika w Toruniu (Nicolaus Copernicus University in Toruń) | time.umk.pl |
158.75.5.245 |
N/A | 1 | AS12423 | [email protected] |
| Politechnika Warszawska (Warsaw University of Technology) | ntp.coi.pw.edu.pl |
194.29.130.252 |
N/A | 1 | AS12464 | [email protected] |
| Uniwersystet im. Adama Mickiewicza w Poznaniu (Adam Mickiewicz University in Poznań) | ntp.amu.edu.pl ntp2.amu.edu.pl |
150.254.65.61 150.254.65.62 |
N/A | 2 | AS9112 | [email protected] |
| Politechnika Gdańska (Gdańsk University of Technology) | ntp.task.gda.pl |
153.19.250.123 |
N/A | 2 | AS5550 | [email protected] |
| Obserwatorium Astronomiczne Uniwersytetu Jagiellońskiego (Astronomical Observatory of the Jagiellonian University) | ntp.oa.uj.edu.pl |
149.156.70.75 |
N/A | 1 | AS8267 | N/A |
| EPIX | ntp.epix.net.pl |
217.117.135.170 188.241.28.254 |
N/A | 1 | AS206186 | [email protected] |
| Beyond.pl | ntp.beyond.pl 0.ntp.beyond.pl 1.ntp.beyond.pl 2.ntp.beyond.pl |
91.102.113.48 109.205.49.8 109.205.50.68 185.23.20.212 |
N/A | 1 and 2 | AS31229 | [email protected] |
| Comarch | ntp.comarch.pl |
91.227.212.78 |
N/A | 2 | AS57305 | [email protected] |