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
174.142.148.226 hungrycats.org 99.0 A 0.313 1.018 32.749 0.794 1.000 59
54.39.196.172 netlinkify.com 98.3 A 1.673 0.809 36.369 1.223 1.000 58
142.4.192.253 ip-142-4-192.net 98.3 A 1.683 0.926 36.199 1.169 1.000 58
66.118.230.14 lshiy.com 98.3 A 1.816 0.946 185.775 0.997 1.000 59
23.150.41.123 rozint.net 98.2 A -2.796 0.803 22.071 0.628 1.000 60
65.100.46.166 qwest.net 98.2 A -2.682 0.915 62.677 0.667 1.000 59
148.113.209.151 convexic.com 98.1 A 1.916 1.380 36.010 1.018 1.000 59
149.56.19.163 fsck.ca 98.1 A 1.869 1.212 36.020 1.151 1.000 59
23.150.40.242 98.0 A -3.490 0.808 22.101 0.618 1.000 60
206.108.0.131 torix.ca 98.0 A -2.821 1.027 47.833 0.826 1.000 59
44.190.5.123 97.9 A -2.894 1.078 54.748 0.950 1.000 59
159.203.82.102 97.9 A -3.042 1.027 38.368 0.887 1.000 59
198.46.254.130 koehn.com 97.8 A 1.067 1.894 31.824 1.730 1.000 59
23.133.168.247 97.7 A -0.026 0.743 25.794 0.536 0.966 57
144.217.4.129 funfile.org 97.6 A 2.105 0.864 36.044 0.636 0.983 57
141.11.228.173 ntp.li 97.6 A 0.151 0.666 32.308 0.650 0.966 56
66.118.231.14 lshiy.com 97.5 A 1.883 0.943 185.695 0.998 0.983 57
107.191.55.233 hojmark.net 97.2 A -2.929 0.999 30.581 0.820 0.983 58
104.234.61.117 ntp.li 97.2 A -2.804 0.963 48.316 0.867 0.983 57
41.205.143.146 ipb.na 97.2 A 1.493 1.676 242.410 2.671 1.000 59
75.67.85.23 comcast.net 97.1 A -1.175 2.420 47.900 2.553 1.000 59
96.60.160.227 tds.net 97.0 A 1.971 1.838 59.601 2.564 1.000 59
144.202.41.38 vultrusercontent.com 96.9 A 0.738 1.613 52.049 2.258 0.983 58
5.161.111.190 your-server.de 96.9 A -3.370 0.920 28.427 0.985 0.983 57
23.133.168.245 96.8 A -0.350 1.380 26.569 1.413 0.966 56
129.146.193.200 maxhost.io 96.7 A -2.170 0.887 52.973 0.656 0.966 57
158.51.99.19 ntp.li 96.5 A -2.926 0.796 10.639 0.654 0.966 57
196.44.136.165 ipb.na 96.5 A 1.100 2.289 243.787 3.718 1.000 58
199.182.221.110 gotroot.ca 96.4 A -4.189 1.182 50.409 1.080 0.983 57
23.133.168.246 96.3 A -0.180 1.190 26.158 0.876 0.948 55
45.79.35.159 clearnet.pw 96.3 A -7.094 0.970 46.535 0.881 1.000 59
216.66.48.42 ecansol.net 96.2 A 0.519 2.271 50.409 1.727 0.966 56
96.231.54.40 verizon.net 96.2 A -1.983 1.407 31.407 1.455 0.966 57
50.205.57.38 96.1 A -3.104 1.079 32.832 1.079 0.966 57
204.2.134.173 96.0 A -3.730 0.949 59.115 0.918 0.966 56
66.118.228.14 lshiy.com 95.9 A 1.694 1.032 186.064 0.827 0.948 55
41.205.142.133 ipb.na 95.8 A 2.010 2.419 242.367 2.792 0.983 58
23.133.168.244 95.7 A -0.130 0.866 25.968 0.804 0.931 54
199.101.96.52 95.7 A -4.465 0.968 29.823 0.828 0.966 56
12.205.28.193 hypernoc.io 95.7 A -1.481 1.251 38.937 1.046 0.948 55
138.68.201.49 fart.website 95.6 A -2.449 1.071 58.223 0.814 0.949 56
148.113.194.34 netlinkify.com 95.5 A 1.796 1.202 36.035 1.271 0.948 55
141.11.89.193 ntp.li 95.5 A 0.180 0.989 32.377 0.943 0.931 54
216.6.2.70 95.4 A 1.091 0.723 38.202 0.852 0.932 55
198.137.202.56 kjsl.com 95.4 A -3.176 0.918 54.761 0.715 0.948 55
134.215.155.177 tds.net 95.4 A -2.631 1.351 15.082 0.826 0.949 56
173.255.255.133 clearnet.pw 95.3 A -5.882 1.828 77.360 1.459 0.983 58
193.29.63.226 ntp.li 95.2 A -3.071 1.098 9.664 1.137 0.949 56
51.81.226.229 ip-51-81-226.us 95.0 A 4.361 1.619 73.312 1.750 0.966 57
198.50.127.72 leaseweb.net 94.9 A 1.616 8.287 32.680 0.727 0.983 58
216.197.228.230 zaf.ca 94.8 A -8.440 2.053 62.626 1.847 1.000 58
206.108.0.132 torix.ca 94.8 A -2.835 0.876 47.686 0.586 0.931 54
209.94.190.139 c1d.net 94.8 A -3.292 1.381 16.999 1.395 0.948 55
196.44.136.162 iway.na 94.8 A 2.068 1.947 243.073 3.380 0.966 57
45.83.234.123 freedominter.net 94.7 A -1.048 1.405 113.976 1.498 0.931 54
74.208.14.149 pbiaas.com 94.7 A -2.929 0.717 21.939 0.765 0.932 55
23.95.49.216 koehn.com 94.6 A 2.515 1.759 73.201 2.071 0.949 56
208.113.130.146 glypnod.com 94.5 A -2.312 1.296 26.447 1.204 0.931 54
199.68.201.234 in-addr.arpa 94.5 A 0.427 1.084 65.185 1.114 0.915 54
216.197.156.83 nyy.ca 94.5 A -8.521 1.227 65.024 1.402 0.983 58
162.159.200.1 cloudflare.com 94.4 A -2.881 1.153 10.146 1.022 0.932 55
142.202.190.19 ns4v.icu 94.2 A -3.393 1.025 53.199 1.152 0.932 55
23.186.168.123 maxhost.io 93.9 A -3.804 1.117 60.117 1.444 0.932 55
50.218.103.254 93.8 A -3.183 0.823 32.956 0.559 0.915 54
72.38.129.202 digibase.ca 93.8 A -2.931 1.969 32.323 1.627 0.932 55
162.159.200.123 cloudflare.com 93.7 A -2.907 0.967 10.071 0.989 0.915 54
23.111.186.186 clearnet.pw 93.5 A 3.375 1.221 45.743 0.779 0.915 54
216.128.178.20 hojmark.net 93.4 A -0.669 5.056 27.103 7.395 1.000 58
99.28.14.242 sbcglobal.net 93.3 A -2.907 1.987 16.368 0.905 0.914 53
23.186.168.126 maxhost.io 93.3 A -3.609 1.123 59.863 0.897 0.914 53
217.180.209.214 versadns.com 93.3 A -4.923 2.820 41.062 6.415 1.000 59
204.2.134.172 93.3 A -3.710 0.934 58.955 1.052 0.914 53
23.186.168.125 maxhost.io 93.0 A -3.635 1.366 60.134 1.240 0.914 53
148.135.119.56 lonet.org 92.5 A- 2.030 1.521 73.755 1.568 0.897 52
4.7.252.53 92.5 A- -4.535 10.675 40.383 1.356 0.983 57
207.34.48.31 incentre.net 92.4 A- -3.888 0.861 41.303 1.061 0.898 53
23.186.168.131 92.3 A- -3.851 0.962 60.421 1.272 0.898 53
216.232.132.102 telus.net 92.2 A- -4.917 3.199 59.166 5.296 0.966 57
198.137.202.32 kjsl.com 92.0 A- -2.821 0.777 54.511 0.769 0.879 51
206.108.0.133 torix.ca 91.4 A- -2.809 0.607 47.695 0.651 0.864 51
15.204.249.252 txryan.com 89.8 B+ -6.154 1.056 33.942 0.760 0.862 50
15.204.87.223 maxhost.io 89.6 B+ 12.417 1.323 73.486 1.479 0.915 54
23.186.168.130 88.2 B+ -3.649 0.971 59.845 0.754 0.814 48
216.232.132.95 telus.net 88.1 B+ -5.099 3.328 58.136 4.905 0.881 52
173.198.243.126 zia.io 61.8 D- 24.894 57.716 34.824 1.631 0.879 51
74.208.25.46 0.0 F -43.593 147.608 21.973 1.257 0.983 58