| Date | IP Address |
| 2023-08-26 | 104.100.78.139 (ClassC) |
| 2024-08-20 | 23.198.152.242 (ClassC) |
| 2024-11-25 | 23.44.240.91 (ClassC) |
| 2025-02-26 | 23.46.228.178 (ClassC) |
| 2025-04-13 | 23.46.228.171 (ClassC) |
| 2025-11-09 | 23.216.147.195 (ClassC) |
| 2026-02-28 | 23.216.147.197 (ClassC) |
| Date | Domain | IP |
| ieb.chinaielts.org | 2024-07-04 | 104.70.127.4 |
| vcsclient-qa-api.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| iemapi.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| dlsnapi.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| itapapi.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| iepapi.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| tdol.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| iem.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| dlsnkim.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| adminapi.examsadmin.chinaielts.org | 2026-02-11 | 23.216.147.204 |
| dlsn.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| iep.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| dcapi-vcs-prod.vcs.chinaielts.org | 2023-08-26 | 23.198.161.201 |
| cn02voapi.vcs.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| cn02imsapi.vcs.chinaielts.org | 2025-06-07 | 52.130.17.34 |
| cn02ims.vcs.chinaielts.org | 2023-08-26 | 104.100.78.139 |
| www.chinaielts.org | 2023-08-26 | 104.100.78.139 |