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
141.11.89.193 ntp.li 99.2 A 0.152 0.826 32.392 0.793 1.000 60
141.11.228.173 ntp.li 99.0 A 0.135 1.066 32.498 0.879 1.000 60
174.142.148.226 hungrycats.org 99.0 A 0.329 1.109 32.704 0.814 1.000 60
144.217.4.129 funfile.org 98.6 A 1.634 0.879 35.825 0.681 1.000 60
149.56.19.163 fsck.ca 98.2 A 2.024 0.898 35.710 1.053 1.000 60
206.108.0.133 torix.ca 98.0 A -2.848 0.845 47.814 0.936 1.000 59
23.133.168.245 97.9 A -0.410 1.109 26.173 1.111 0.983 59
148.113.194.34 netlinkify.com 97.7 A 1.929 0.699 35.899 0.803 0.983 59
198.137.202.32 kjsl.com 97.6 A -2.835 1.430 54.705 1.255 1.000 59
199.101.96.52 97.6 A -4.198 0.933 29.748 0.673 1.000 59
159.203.82.102 97.5 A -3.114 1.142 38.849 1.486 1.000 61
54.39.196.172 netlinkify.com 97.5 A 1.869 0.979 36.120 0.942 0.983 59
198.46.254.130 koehn.com 97.4 A 0.070 1.900 36.149 3.186 1.000 60
23.133.168.244 97.3 A -0.392 0.924 26.069 0.759 0.966 57
208.113.130.146 glypnod.com 97.2 A -2.156 1.137 26.262 1.079 0.983 59
162.159.200.1 cloudflare.com 97.1 A -3.109 0.932 9.962 0.890 0.984 60
72.38.129.202 digibase.ca 97.0 A -2.176 1.933 31.573 2.465 1.000 62
199.182.221.110 gotroot.ca 96.9 A -3.696 0.943 50.295 0.828 0.983 59
23.186.168.125 maxhost.io 96.7 A -2.853 1.416 60.491 1.465 0.983 58
4.7.252.53 96.6 A -2.476 0.832 39.865 0.851 0.967 58
23.133.168.246 96.5 A -0.323 0.917 26.057 0.895 0.950 57
75.67.85.23 comcast.net 96.2 A 1.710 2.332 46.824 2.327 0.983 59
173.255.255.133 clearnet.pw 96.2 A -6.995 1.211 76.250 1.031 1.000 59
216.232.132.95 telus.net 96.1 A -3.492 1.080 54.708 0.753 0.967 59
44.190.5.123 96.0 A -2.754 1.003 54.814 1.482 0.966 57
23.111.186.186 clearnet.pw 95.9 A 3.957 2.307 46.734 2.937 1.000 59
138.68.201.49 fart.website 95.8 A -2.550 2.032 55.663 1.367 0.966 57
206.108.0.132 torix.ca 95.8 A -2.786 0.621 47.684 0.579 0.949 56
209.94.190.139 c1d.net 95.7 A -1.220 1.886 17.077 2.384 0.966 57
45.83.234.123 freedominter.net 95.7 A -2.445 0.880 117.151 0.837 0.950 57
207.34.48.31 incentre.net 95.7 A -4.394 0.937 40.998 0.939 0.966 57
99.28.14.242 sbcglobal.net 95.6 A -2.484 2.597 16.664 1.246 0.966 57
74.208.14.149 pbiaas.com 95.6 A -2.959 0.747 21.883 0.849 0.951 58
158.51.99.19 ntp.li 95.5 A -2.925 0.807 10.380 0.858 0.949 56
104.234.61.117 ntp.li 95.5 A -2.679 0.821 48.380 1.053 0.950 57
134.215.155.177 tds.net 95.4 A -2.434 1.289 15.078 1.153 0.951 58
142.4.192.253 ip-142-4-192.net 95.3 A 1.880 0.803 35.651 0.565 0.933 56
144.202.41.38 vultrusercontent.com 95.2 A -3.582 1.703 56.054 1.781 0.966 57
198.137.202.56 kjsl.com 95.1 A -3.303 1.301 54.732 1.131 0.950 57
23.186.168.126 maxhost.io 95.0 A -2.717 1.363 60.216 1.455 0.949 56
5.161.111.190 your-server.de 95.0 A -4.138 0.905 30.276 0.904 0.950 57
196.44.136.165 ipb.na 95.0 A 4.904 1.947 247.213 1.156 0.966 57
107.191.55.233 hojmark.net 94.8 A -2.308 1.303 30.367 0.834 0.934 57
23.133.168.247 94.8 A -0.218 0.813 26.012 0.918 0.915 54
204.2.134.173 94.8 A -4.393 1.036 61.211 3.914 0.983 59
193.29.63.226 ntp.li 94.6 A -2.957 0.842 9.585 0.990 0.932 55
216.232.132.102 telus.net 94.6 A -2.663 0.981 54.817 0.987 0.932 55
216.6.2.70 94.4 A 1.823 0.671 38.133 0.651 0.915 54
23.95.49.216 koehn.com 94.4 A 3.122 1.723 73.967 2.103 0.949 56
199.68.201.234 in-addr.arpa 94.3 A 0.559 1.956 64.350 0.754 0.915 54
23.186.168.130 94.3 A -2.840 1.370 60.088 1.283 0.934 57
196.44.136.162 iway.na 94.3 A 3.406 0.997 246.962 0.947 0.932 55
96.231.54.40 verizon.net 94.1 A -1.932 1.027 31.498 1.138 0.918 56
148.135.119.56 lonet.org 94.0 A 2.661 1.439 75.013 1.724 0.932 55
65.100.46.166 qwest.net 93.9 A -2.502 0.856 59.940 0.920 0.915 54
50.205.57.38 93.8 A -3.013 0.835 32.707 1.006 0.918 56
216.66.48.42 ecansol.net 93.6 A 0.641 6.812 50.337 1.688 0.949 56
173.198.243.126 zia.io 93.6 A 5.536 1.873 34.497 1.807 0.950 57
51.81.226.229 ip-51-81-226.us 93.5 A 5.625 1.315 74.582 2.421 0.951 58
23.150.40.242 93.5 A -3.546 0.977 22.093 0.815 0.915 54
23.186.168.123 maxhost.io 93.4 A -2.813 1.202 60.115 1.372 0.915 54
41.205.142.133 ipb.na 93.4 A 6.136 1.348 247.091 0.781 0.934 57
142.202.190.19 ns4v.icu 93.3 A -2.314 0.804 53.109 0.922 0.902 55
50.218.103.254 93.2 A -5.324 1.019 32.831 0.418 0.918 56
66.118.228.14 lshiy.com 92.9 A- -5.060 1.663 176.017 2.098 0.933 56
129.146.193.200 maxhost.io 92.7 A- -2.086 0.868 52.923 0.450 0.885 54
198.50.127.72 leaseweb.net 92.4 A- 2.686 9.458 32.702 0.771 0.951 58
23.150.41.123 rozint.net 92.4 A- -2.853 0.864 21.997 0.565 0.885 54
45.79.35.159 clearnet.pw 91.5 A- -7.584 1.528 47.880 2.917 0.932 55
216.197.156.83 nyy.ca 91.5 A- -8.110 2.085 65.683 2.392 0.934 57
41.205.143.146 ipb.na 91.4 A- 2.479 3.215 247.218 0.953 0.883 53
204.2.134.172 91.3 A- -4.729 1.107 61.296 3.853 0.915 54
162.159.200.123 cloudflare.com 91.2 A- -3.098 0.926 9.882 0.941 0.869 53
66.118.231.14 lshiy.com 91.2 A- -4.859 1.768 175.471 2.075 0.898 53
23.186.168.131 90.7 A- -2.870 1.482 60.155 1.716 0.869 53
206.108.0.131 torix.ca 90.7 A- -2.696 0.735 47.555 0.671 0.852 52
66.118.230.14 lshiy.com 90.4 A- -5.078 1.729 175.953 2.001 0.883 53
216.197.228.230 zaf.ca 90.3 A- -7.858 1.930 62.735 1.780 0.900 54
216.128.178.20 hojmark.net 88.4 B+ -4.342 5.073 26.576 6.785 0.915 54
15.204.87.223 maxhost.io 86.7 B 13.231 1.528 74.197 2.095 0.869 53
12.205.28.193 gravinoc.com 62.6 D- -26.382 57.640 38.894 3.087 0.932 55
74.208.25.46 0.0 F -96.871 193.976 22.074 1.117 0.932 55