| Date | IP Address |
| 2025-04-20 | 104.21.66.51 (ClassC) |
| 2025-05-16 | 172.67.156.250 (ClassC) |
| 2025-10-14 | 104.18.41.222 (ClassC) |
| 2026-02-25 | 172.64.146.34 (ClassC) |
| Date | Domain | IP |
| ttc.ciu20.org | 2013-12-02 | 204.186.161.106 |
| graph.ciu20.org | 2025-04-20 | 104.21.66.51 |
| link.ciu20.org | 2025-05-17 | 172.67.156.250 |
| admin.ciu20.org | 2025-04-15 | 104.17.210.108 |
| lists.ciu20.org | 2014-06-18 | 204.186.161.17 |
| www.ciu20.org | 2025-06-05 | 104.17.210.108 |