| Date | IP Address |
| 2017-07-24 | 174.35.21.35 (ClassC) |
| 2019-01-10 | 174.35.97.18 (ClassC) |
| 2019-01-10 | 174.35.98.177 (ClassC) |
| 2019-02-01 | 174.35.97.239 (ClassC) |
| 2025-07-28 | 138.113.19.181 (ClassC) |
| 2025-09-02 | 157.185.157.27 (ClassC) |
| 2025-11-22 | 157.185.156.86 (ClassC) |
| 2026-03-03 | 157.185.148.16 (ClassC) |
| Date | Domain | IP |
| mycambridge.sso.cambridgeenglish.cn | 2025-09-23 | 118.193.97.140 |
| www.cambridgeenglish.cn | 2025-07-28 | 138.113.19.181 |