NTP Service
IU13 provides a pair of public NTP time servers that you can use with servers, network equipment, or any other devices connected to the WAN or the Internet.
tick.iu13.org
2620:1d5:0:43::74
206.82.16.3
10.14.160.116
tock.iu13.org
2620:1d5:100:43::74
206.82.28.3
10.15.160.116