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
141.11.228.173 ntp.li 99.2 A 0.112 0.742 32.362 0.772 1.000 58
129.146.193.200 maxhost.io 98.4 A -2.165 0.857 52.990 0.643 1.000 59
66.118.230.14 lshiy.com 98.3 A 1.792 0.954 185.821 1.038 1.000 59
174.142.148.226 hungrycats.org 98.2 A 0.310 1.032 32.755 0.794 0.983 58
23.150.41.123 rozint.net 98.2 A -2.828 0.798 22.106 0.628 1.000 60
65.100.46.166 qwest.net 98.2 A -2.677 0.956 62.661 0.676 1.000 58
149.56.19.163 fsck.ca 98.1 A 1.892 1.202 35.990 1.151 1.000 59
44.190.5.123 97.9 A -2.908 1.084 54.758 0.932 1.000 60
23.150.40.242 97.8 A -3.578 0.830 22.177 0.801 1.000 59
23.133.168.247 97.7 A -0.022 0.821 25.773 0.527 0.966 57
144.217.4.129 funfile.org 97.6 A 2.084 0.906 36.059 0.643 0.983 57
66.118.231.14 lshiy.com 97.5 A 1.852 0.972 185.761 1.004 0.983 57
54.39.196.172 netlinkify.com 97.4 A 1.655 0.858 36.434 1.283 0.983 58
148.113.209.151 convexic.com 97.3 A 1.930 1.388 36.009 1.022 0.983 58
206.108.0.131 torix.ca 97.2 A -2.819 1.015 47.844 0.814 0.983 58
107.191.55.233 hojmark.net 97.2 A -2.938 0.950 30.601 0.821 0.983 58
75.67.85.23 comcast.net 97.1 A -1.251 2.490 47.937 2.485 1.000 60
198.46.254.130 koehn.com 97.0 A 1.066 1.945 31.823 1.757 0.983 58
159.203.82.102 97.0 A -3.058 1.021 38.414 0.934 0.983 58
142.4.192.253 ip-142-4-192.net 96.6 A 1.693 0.962 36.197 1.177 0.966 57
158.51.99.19 ntp.li 96.5 A -2.932 0.785 10.651 0.673 0.966 57
196.44.136.165 ipb.na 96.5 A 1.168 2.255 243.700 3.646 1.000 59
104.234.61.117 ntp.li 96.4 A -2.808 0.921 48.330 0.859 0.966 57
141.11.89.193 ntp.li 96.4 A 0.153 1.007 32.392 0.936 0.948 55
216.66.48.42 ecansol.net 96.3 A 0.532 2.137 50.375 1.687 0.966 56
96.60.160.227 tds.net 96.2 A 1.950 1.842 59.616 2.589 0.983 58
134.215.155.177 tds.net 96.2 A -2.661 1.372 15.120 0.868 0.966 57
96.231.54.40 verizon.net 96.2 A -2.000 1.263 31.438 1.462 0.966 57
45.79.35.159 clearnet.pw 96.2 A -7.192 0.973 46.591 1.081 1.000 59
144.202.41.38 vultrusercontent.com 96.1 A 0.712 1.625 52.129 2.264 0.966 57
5.161.111.190 your-server.de 96.1 A -3.355 0.928 28.418 0.990 0.966 57
41.205.143.146 ipb.na 96.0 A 1.443 1.541 241.982 2.026 0.966 57
41.205.142.133 ipb.na 95.9 A 2.060 2.348 242.262 2.740 0.983 58
23.133.168.245 95.8 A -0.312 1.837 26.507 1.368 0.949 56
138.68.201.49 fart.website 95.7 A -2.365 1.088 58.162 0.763 0.949 56
23.133.168.244 95.7 A -0.104 0.862 25.952 0.805 0.931 54
74.208.14.149 pbiaas.com 95.6 A -2.936 0.751 21.919 0.763 0.949 56
23.133.168.246 95.5 A -0.181 1.181 26.172 0.867 0.932 55
23.95.49.216 koehn.com 95.4 A 2.513 1.800 73.308 2.096 0.966 57
208.113.130.146 glypnod.com 95.3 A -2.335 1.354 26.517 1.337 0.949 56
50.205.57.38 95.3 A -3.076 1.066 32.767 0.951 0.949 56
193.29.63.226 ntp.li 95.2 A -3.073 1.131 9.676 1.129 0.949 56
198.50.127.72 leaseweb.net 95.0 A 1.035 8.512 32.666 0.727 0.983 58
196.44.136.162 iway.na 95.0 A 1.918 1.859 242.988 3.228 0.966 57
204.2.134.173 95.0 A -3.832 0.963 59.137 0.994 0.949 56
12.205.28.193 hypernoc.io 94.9 A -1.465 1.245 38.892 0.960 0.931 54
199.101.96.52 94.8 A -4.478 0.959 29.807 0.850 0.948 55
199.182.221.110 gotroot.ca 94.8 A -4.143 1.158 50.321 0.990 0.949 56
206.108.0.132 torix.ca 94.8 A -2.839 0.897 47.696 0.583 0.931 54
148.113.194.34 netlinkify.com 94.7 A 1.807 1.186 35.999 1.294 0.932 55
198.137.202.56 kjsl.com 94.6 A -3.154 0.910 54.798 0.758 0.932 55
72.38.129.202 digibase.ca 94.6 A -2.944 1.951 32.341 1.631 0.949 56
216.6.2.70 94.5 A 1.087 0.758 38.214 0.855 0.915 54
199.68.201.234 in-addr.arpa 94.5 A 0.383 1.056 65.218 1.099 0.915 54
173.255.255.133 clearnet.pw 94.4 A -6.059 1.774 77.368 1.465 0.966 57
99.28.14.242 sbcglobal.net 94.2 A -2.812 1.964 16.380 0.875 0.931 54
23.186.168.126 maxhost.io 94.2 A -3.633 1.187 59.897 0.904 0.931 54
142.202.190.19 ns4v.icu 94.2 A -3.418 1.060 53.247 1.141 0.932 55
66.118.228.14 lshiy.com 94.2 A 1.714 1.065 186.015 0.813 0.915 54
216.197.228.230 zaf.ca 94.1 A -8.413 2.055 62.623 1.785 0.983 58
204.2.134.172 94.1 A -3.739 0.924 59.001 1.071 0.931 54
51.81.226.229 ip-51-81-226.us 94.0 A 4.683 1.567 73.286 1.800 0.949 56
23.186.168.123 maxhost.io 93.9 A -3.804 1.120 60.099 1.452 0.932 55
50.218.103.254 93.9 A -3.205 0.761 32.982 0.570 0.915 54
209.94.190.139 c1d.net 93.9 A -3.313 1.453 17.001 1.409 0.931 54
216.197.156.83 nyy.ca 93.7 A -8.517 1.225 65.004 1.378 0.966 57
23.111.186.186 clearnet.pw 93.5 A 3.465 1.222 45.675 0.744 0.915 54
148.135.119.56 lonet.org 93.4 A 2.043 1.551 73.848 1.571 0.914 53
216.128.178.20 hojmark.net 93.4 A -0.627 5.100 27.092 7.416 1.000 58
217.180.209.214 versadns.com 93.3 A -5.156 2.738 40.528 6.320 1.000 59
207.34.48.31 incentre.net 93.2 A -4.101 0.889 41.411 1.131 0.915 54
23.186.168.125 maxhost.io 93.0 A -3.659 1.349 60.161 1.249 0.914 53
45.83.234.123 freedominter.net 93.0 A -1.047 1.411 113.994 1.465 0.898 53
162.159.200.1 cloudflare.com 92.7 A- -2.918 1.131 10.221 1.043 0.898 53
162.159.200.123 cloudflare.com 92.7 A- -2.940 1.000 10.138 1.011 0.898 53
4.7.252.53 92.6 A- -3.978 7.045 40.269 1.199 0.949 56
23.186.168.131 92.3 A- -3.867 0.939 60.408 1.269 0.898 53
216.232.132.102 telus.net 92.3 A- -4.765 3.034 58.884 5.264 0.966 57
206.108.0.133 torix.ca 92.2 A- -2.845 0.637 47.771 0.734 0.881 52
198.137.202.32 kjsl.com 91.1 A- -2.806 0.794 54.469 0.761 0.862 50
15.204.249.252 txryan.com 90.8 A- -6.165 1.024 33.968 0.774 0.881 52
15.204.87.223 maxhost.io 89.6 B+ 12.486 1.314 73.355 1.506 0.915 54
216.232.132.95 telus.net 89.1 B+ -4.991 3.187 57.898 4.798 0.898 53
23.186.168.130 88.2 B+ -3.670 0.959 59.881 0.742 0.814 48
173.198.243.126 zia.io 63.0 D 22.684 55.067 34.809 1.612 0.864 51
74.208.25.46 0.0 F -48.719 148.416 22.012 1.258 0.983 58