| Date | IP Address |
| 2024-05-30 | 13.228.100.166 (ClassC) |
| 2024-06-09 | 54.254.50.106 (ClassC) |
| 2024-12-26 | 18.140.213.222 (ClassC) |
| 2025-04-24 | 54.254.144.250 (ClassC) |
| 2025-05-13 | 18.139.241.55 (ClassC) |
| 2025-05-17 | 46.137.218.49 (ClassC) |
| 2025-05-30 | 3.0.130.129 (ClassC) |
| 2025-07-10 | 13.213.190.133 (ClassC) |
| 2025-09-06 | 3.1.188.241 (ClassC) |
| 2025-09-23 | 18.139.216.90 (ClassC) |
| 2025-12-06 | 52.76.201.18 (ClassC) |
| 2026-01-17 | 18.138.197.77 (ClassC) |
| Date | Domain | IP |
| api.bxsearch.prod.ielts.com | 2025-12-14 | 18.139.220.51 |
| api.ors-cmds-integration.prod.ielts.com | 2024-05-30 | 13.228.100.166 |
| api.test-taker.prod.ielts.com | 2025-12-11 | 18.139.168.204 |
| examiner.ses.prod.ielts.com | 2025-09-28 | 3.163.24.13 |
| bx.prod.ielts.com | 2024-07-12 | 3.163.24.118 |
| backoffice.bx.prod.ielts.com | 2024-11-01 | 204.246.191.99 |