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
23.133.168.245 98.2 A -0.838 1.528 26.279 1.426 1.000 61
74.208.14.149 pbiaas.com 97.9 A -3.003 0.840 22.388 0.944 1.000 61
173.255.255.133 clearnet.pw 97.5 A 1.056 2.105 95.673 2.102 1.000 62
159.203.82.102 97.4 A -3.361 1.146 38.988 1.369 1.000 62
174.142.148.226 hungrycats.org 97.1 A -0.128 1.274 33.517 1.265 0.967 59
199.101.96.52 96.7 A -4.489 1.379 30.481 1.659 1.000 61
99.28.14.242 sbcglobal.net 96.6 A -2.744 2.110 16.904 1.235 0.983 59
44.190.5.123 96.5 A -3.586 1.089 55.465 1.544 0.984 60
45.83.234.123 freedominter.net 96.5 A -1.223 1.415 114.626 1.471 0.967 59
167.114.93.151 lilynx.ca 96.4 A 1.834 1.035 36.576 1.418 0.967 58
142.4.192.253 ip-142-4-192.net 96.4 A -0.256 1.362 36.321 0.876 0.951 58
23.133.168.244 96.0 A -0.542 1.181 26.049 1.475 0.950 57
149.56.19.163 fsck.ca 95.9 A 1.562 1.032 36.068 1.016 0.950 57
162.159.200.1 cloudflare.com 95.9 A -3.261 1.315 10.457 1.146 0.967 58
73.65.80.137 comcast.net 95.8 A -0.148 2.309 36.290 2.845 0.967 58
96.60.160.227 tds.net 95.8 A 1.568 1.950 59.862 2.156 0.967 59
141.11.228.173 ntp.li 95.8 A -1.695 1.212 36.010 1.017 0.950 57
23.95.49.216 koehn.com 95.8 A 2.074 1.784 74.082 1.900 0.967 59
198.46.254.130 koehn.com 95.5 A 0.338 0.980 31.308 1.078 0.934 57
15.204.249.252 txryan.com 95.3 A -6.304 1.679 34.531 1.351 0.984 60
209.94.190.139 c1d.net 95.3 A -4.147 1.519 17.516 1.506 0.967 58
208.113.130.146 glypnod.com 95.2 A -2.761 1.404 26.885 1.273 0.951 58
141.11.89.193 ntp.li 95.1 A -2.067 1.415 36.255 1.797 0.950 57
148.113.209.151 convexic.com 95.0 A 1.337 1.301 36.322 0.995 0.933 56
216.232.132.95 telus.net 95.0 A -3.771 1.062 56.583 1.167 0.950 57
216.66.48.42 ecansol.net 94.9 A 1.593 1.948 48.598 2.172 0.950 57
216.197.228.230 zaf.ca 94.7 A 1.561 3.290 42.806 1.735 0.951 58
72.38.129.202 digibase.ca 94.6 A -2.255 1.967 32.400 2.285 0.950 57
216.197.156.83 nyy.ca 94.5 A 1.611 1.571 45.422 1.538 0.933 56
23.111.186.186 clearnet.pw 94.4 A 2.897 1.261 46.395 1.217 0.934 57
204.2.134.172 latt.net 94.4 A 4.407 1.717 77.070 2.780 0.967 58
216.232.132.102 telus.net 94.4 A -3.020 1.178 56.758 1.234 0.934 57
129.146.193.200 maxhost.io 94.3 A -2.819 1.429 53.665 1.273 0.933 56
142.202.190.19 ns4v.icu 94.3 A -3.458 1.214 53.480 0.919 0.933 56
206.108.0.131 torix.ca 94.2 A -3.105 1.315 48.372 1.244 0.933 56
23.133.168.246 94.2 A -0.783 1.639 26.069 1.246 0.918 56
54.39.196.172 netlinkify.com 94.1 A 1.498 0.990 36.433 1.312 0.918 56
138.68.201.49 fart.website 94.1 A -2.806 2.380 56.060 1.057 0.934 57
158.51.99.19 ntp.li 94.1 A -3.239 1.051 11.454 1.608 0.934 57
23.150.41.123 rozint.net 94.1 A -3.247 1.133 22.802 1.459 0.933 56
144.202.41.38 vultrusercontent.com 94.0 A -1.220 1.478 51.521 1.423 0.918 56
41.205.142.133 ipb.na 94.0 A 6.031 1.863 253.885 2.345 0.967 58
162.159.200.123 cloudflare.com 94.0 A -3.559 1.101 10.686 1.414 0.933 56
74.208.25.46 93.7 A -3.155 2.605 22.591 1.351 0.934 57
206.108.0.132 torix.ca 93.7 A -3.083 0.970 48.260 1.050 0.917 55
41.205.143.146 ipb.na 93.7 A 4.790 1.839 253.572 2.263 0.951 58
148.113.194.34 netlinkify.com 93.6 A 1.734 1.136 35.882 0.563 0.902 55
65.100.46.166 qwest.net 93.6 A -3.221 1.053 60.512 1.036 0.917 55
193.29.63.226 ntp.li 93.5 A -3.492 1.094 9.949 1.069 0.918 56
69.30.247.121 93.5 A -3.682 6.741 22.734 2.923 0.984 60
199.68.201.234 in-addr.arpa 93.5 A -0.547 1.559 63.922 1.210 0.902 55
148.135.119.56 lonet.org 93.4 A 2.068 1.619 75.028 1.748 0.917 55
207.34.48.31 incentre.net 93.4 A -4.237 0.940 40.771 0.851 0.918 56
23.150.40.242 93.3 A -3.719 1.504 22.636 0.928 0.918 56
50.218.103.254 93.3 A -3.534 1.319 33.491 1.131 0.917 55
51.81.226.229 ip-51-81-226.us 93.3 A 2.753 1.572 73.524 1.542 0.917 55
206.108.0.133 torix.ca 93.2 A -3.055 2.450 48.238 0.958 0.918 56
204.2.134.173 latt.net 93.2 A 4.189 1.913 76.511 2.036 0.934 57
174.138.208.0 distributel.net 93.1 A -3.299 1.496 29.108 1.595 0.917 55
23.186.168.123 maxhost.io 93.0 A -2.421 1.173 60.461 1.228 0.902 55
217.180.209.214 versadns.com 92.8 A- -10.846 2.441 41.414 2.122 0.984 60
66.118.231.14 lshiy.com 92.8 A- -4.129 2.342 179.620 3.849 0.950 57
23.133.168.247 92.7 A- -0.446 1.359 25.876 1.288 0.885 54
23.186.168.131 92.6 A- -2.766 1.126 60.692 1.582 0.900 54
198.137.202.32 kjsl.com 92.5 A- -1.321 6.975 55.490 1.674 0.933 56
173.198.243.126 zia.io 92.4 A- -1.364 3.729 34.701 1.275 0.902 55
23.186.168.126 maxhost.io 92.3 A- -2.694 1.615 61.049 1.714 0.900 54
45.79.35.159 clearnet.pw 92.3 A- -7.881 1.559 48.350 1.364 0.933 56
199.182.221.110 gotroot.ca 92.0 A- -5.552 1.045 50.736 0.961 0.902 55
66.118.228.14 lshiy.com 92.0 A- -3.993 1.745 178.330 3.049 0.918 56
50.205.57.38 91.6 A- -3.236 1.216 33.361 1.265 0.883 53
196.44.136.165 ipb.na 91.6 A- 5.539 2.221 253.745 2.239 0.917 55
144.217.4.129 funfile.org 91.4 A- 1.970 1.187 36.439 1.106 0.867 52
96.231.54.40 verizon.net 91.3 A- -2.339 0.998 31.351 1.160 0.867 52
198.50.127.72 leaseweb.net 91.2 A- 1.169 7.404 33.012 0.772 0.900 54
216.6.2.70 91.0 A- 1.201 0.909 38.916 1.095 0.852 52
5.161.111.190 your-server.de 90.8 A- -3.638 1.344 28.875 1.036 0.869 53
23.186.168.130 90.6 A- -2.277 0.979 60.256 0.740 0.850 51
23.186.168.125 maxhost.io 90.5 A- -2.954 1.298 60.724 1.919 0.867 52
134.215.155.177 tds.net 90.4 A- -3.590 2.153 15.636 1.108 0.867 52
4.7.252.53 90.4 A- -5.222 2.842 55.588 2.923 0.902 55
107.191.55.233 hojmark.net 90.1 A- -3.114 1.243 30.868 0.989 0.850 51
15.204.87.223 maxhost.io 89.5 B+ 12.476 1.649 73.529 1.691 0.917 55
104.234.61.117 ntp.li 89.2 B+ 6.059 1.776 67.442 2.083 0.869 53
216.128.178.20 hojmark.net 88.2 B+ -2.113 5.550 28.371 6.973 0.900 54
196.44.136.162 iway.na 88.1 B+ 6.611 1.968 253.025 2.124 0.852 52
66.118.230.14 lshiy.com 87.7 B+ -3.911 1.304 178.576 3.565 0.836 51
198.137.202.56 kjsl.com 87.2 B+ 8.847 10.423 55.263 1.263 0.902 55
12.205.28.193 hypernoc.io 80.4 B- 7.678 30.403 39.531 1.453 0.917 55