Time grades

The table below grades the cluster of time servers available in the North American NTP public pool. It represents the results of monitoring over the 24-hour interval ending at the timestamp in the navigation bar. To see historical data about a particular server, select its IP address. For information about how the scores are calculated, see the about page.

North American NTP Pool Time Server Grades (24-hours)
IP Domain Score Grade Offset
ms		 Jitter
ms		 RTD
ms		 s-RTD
ms		 Life N
45.83.234.123 freedominter.net 99.0 A 0.538 0.952 110.937 0.795 1.000 58
216.6.2.70 98.3 A 1.585 1.032 38.634 1.240 1.000 61
50.218.103.254 98.3 A -1.779 0.840 33.214 1.097 1.000 60
159.203.82.102 98.2 A -2.739 0.777 38.286 0.764 1.000 58
199.182.221.110 gotroot.ca 98.1 A -2.847 0.941 50.306 0.766 1.000 58
41.205.142.133 ipb.na 98.1 A 2.338 0.991 250.744 1.060 1.000 59
41.205.143.146 ipb.na 98.1 A 2.210 1.106 250.262 0.967 1.000 59
199.68.201.234 in-addr.arpa 98.0 A 0.604 1.066 64.955 0.832 0.983 59
193.29.63.226 ntp.li 98.0 A -2.990 0.909 9.581 0.824 1.000 61
198.137.202.32 kjsl.com 97.9 A -2.961 0.839 54.762 1.069 1.000 60
208.113.130.146 glypnod.com 97.8 A -3.370 0.946 28.621 0.878 1.000 59
196.44.136.165 ipb.na 97.8 A 2.590 1.190 250.929 1.166 1.000 60
23.133.168.245 97.4 A -0.590 2.162 26.302 1.262 0.983 57
134.215.155.177 tds.net 97.4 A -3.547 1.307 15.591 1.292 1.000 59
141.11.228.173 ntp.li 97.3 A 0.179 0.805 32.414 0.983 0.966 57
23.133.168.244 97.1 A -0.462 1.287 26.259 0.900 0.966 57
23.186.168.130 97.1 A -2.401 1.023 60.216 1.218 0.983 58
209.94.190.139 c1d.net 97.1 A -2.243 0.999 17.159 1.343 0.983 58
148.113.209.151 convexic.com 96.8 A -2.229 1.381 45.423 2.998 1.000 59
23.186.168.126 maxhost.io 96.7 A -2.446 0.772 60.137 0.692 0.966 57
23.150.40.242 96.5 A -3.606 1.467 22.406 1.127 0.983 59
206.108.0.132 torix.ca 96.5 A -2.856 0.802 47.732 0.679 0.966 57
15.204.249.252 txryan.com 96.4 A -0.289 0.878 39.127 0.915 0.948 55
65.100.46.166 qwest.net 96.4 A -2.633 0.954 62.757 0.925 0.966 57
23.186.168.123 maxhost.io 96.4 A -2.503 0.829 60.252 1.201 0.967 58
198.50.127.72 leaseweb.net 96.3 A 0.481 6.362 33.320 1.719 1.000 59
107.191.55.233 hojmark.net 96.2 A -2.722 0.923 30.131 1.125 0.966 57
148.113.194.34 netlinkify.com 96.1 A -2.427 1.096 44.473 2.984 0.983 57
23.150.41.123 rozint.net 96.0 A -3.162 0.936 22.510 1.197 0.966 57
162.159.200.123 cloudflare.com 95.9 A -2.941 1.146 10.371 1.383 0.966 57
23.186.168.131 95.8 A -2.597 1.270 60.551 1.721 0.966 57
74.208.14.149 pbiaas.com 95.8 A -3.201 1.067 22.404 1.408 0.966 57
129.146.193.200 maxhost.io 95.7 A -2.390 1.555 53.594 1.824 0.966 57
23.95.49.216 koehn.com 95.7 A 2.953 1.427 73.576 1.749 0.967 58
5.161.111.190 your-server.de 95.6 A -4.298 0.988 30.449 1.203 0.966 56
138.68.201.49 fart.website 95.6 A -2.321 1.058 58.232 1.028 0.950 57
173.198.243.126 zia.io 95.6 A 4.328 2.464 34.564 1.561 0.983 57
173.255.255.133 clearnet.pw 95.6 A -7.432 1.622 79.186 1.387 1.000 60
142.202.190.19 ns4v.icu 95.5 A -2.684 0.874 53.173 1.054 0.949 56
144.217.4.129 funfile.org 95.5 A -1.146 1.768 42.379 2.877 0.966 57
198.137.202.56 kjsl.com 95.5 A -2.886 0.969 54.465 0.676 0.948 55
4.7.252.53 95.5 A -2.668 1.000 40.010 0.776 0.948 55
23.133.168.247 95.4 A -0.432 1.450 26.054 0.930 0.933 56
23.111.186.186 clearnet.pw 95.4 A 3.206 0.961 45.780 0.926 0.950 57
199.101.96.52 94.9 A -4.267 0.872 30.108 0.979 0.949 56
12.205.28.193 gravinoc.com 94.8 A -1.381 1.366 39.205 1.167 0.932 55
45.79.35.159 clearnet.pw 94.7 A -7.438 0.874 47.174 0.635 0.966 57
23.186.168.125 94.7 A -2.410 0.996 60.162 1.043 0.932 55
206.108.0.133 torix.ca 94.6 A -2.951 0.989 47.896 0.958 0.933 56
158.51.99.19 ntp.li 94.5 A -2.971 1.024 10.269 1.039 0.933 56
142.4.192.253 ip-142-4-192.net 94.5 A 3.309 1.891 42.561 3.081 0.966 56
144.202.41.38 vultrusercontent.com 94.5 A 0.213 1.939 52.116 2.317 0.933 56
204.2.134.173 94.4 A -3.100 1.430 58.984 0.763 0.931 54
54.39.196.172 netlinkify.com 94.2 A -2.628 1.217 44.852 2.961 0.948 55
75.67.85.23 comcast.net 94.2 A -0.773 3.170 47.404 2.883 0.948 55
196.44.136.162 iway.na 94.2 A 5.907 1.129 250.723 0.956 0.950 57
198.46.254.130 koehn.com 94.1 A 1.039 2.024 32.463 3.809 0.950 57
149.56.19.163 fsck.ca 94.1 A -1.112 1.488 41.978 2.659 0.932 55
207.34.48.31 incentre.net 94.0 A -4.152 1.139 41.367 1.050 0.933 56
206.108.0.131 torix.ca 93.7 A -2.964 0.922 48.030 0.935 0.915 54
174.142.148.226 hungrycats.org 93.7 A 0.082 1.433 33.040 1.044 0.900 54
162.159.200.1 cloudflare.com 93.6 A -2.856 1.113 10.181 0.970 0.915 54
141.11.89.193 ntp.li 93.5 A 0.095 1.375 32.721 1.343 0.898 53
216.66.48.42 ecansol.net 93.5 A -0.202 2.536 50.619 1.986 0.915 54
216.197.228.230 zaf.ca 93.4 A -8.072 1.507 62.458 2.034 0.966 56
50.205.57.38 93.4 A -3.227 1.207 33.016 1.079 0.915 54
216.232.132.102 telus.net 93.4 A -2.843 1.376 55.130 1.357 0.917 55
51.81.226.229 ip-51-81-226.us 93.2 A 8.555 1.467 82.011 2.219 0.966 57
44.190.5.123 93.0 A -2.874 1.044 54.604 0.840 0.900 54
216.128.178.20 hojmark.net 92.6 A- -0.426 5.361 25.651 7.378 0.983 58
72.38.129.202 digibase.ca 92.4 A- -2.345 1.829 32.060 1.504 0.898 53
96.231.54.40 verizon.net 92.0 A- -2.002 1.257 31.550 1.296 0.881 52
216.197.156.83 nyy.ca 91.8 A- -8.662 1.457 65.204 1.674 0.932 55
23.133.168.246 91.7 A- -0.404 1.748 25.894 0.714 0.862 50
216.232.132.95 telus.net 91.5 A- -3.732 1.140 55.050 1.111 0.881 52
15.204.87.223 maxhost.io 91.3 A- 17.995 1.363 81.815 1.672 1.000 59
104.234.61.117 ntp.li 91.1 A- -3.470 1.109 49.582 1.732 0.879 51
204.2.134.172 90.8 A- -3.374 1.170 58.738 0.965 0.864 51
99.28.14.242 sbcglobal.net 90.8 A- -2.393 3.236 17.360 3.359 0.898 53
148.135.119.56 lonet.org 82.7 B- 2.809 1.489 75.546 2.443 0.729 43
74.208.25.46 0.0 F -48.636 166.398 22.221 1.326 0.883 53