| Date | IP Address |
| 2014-09-18 | 104.28.11.31 (ClassC) |
| 2019-10-15 | 104.27.138.92 (ClassC) |
| 2025-04-08 | 104.21.63.65 (ClassC) |
| 2025-04-18 | 172.67.143.239 (ClassC) |
| 2026-01-08 | 104.21.56.10 (ClassC) |
| 2026-01-27 | 172.67.175.171 (ClassC) |
| Date | Domain | IP |
| www.cathayteacher.com | 2014-09-23 | 104.28.11.31 |