| Date | IP Address |
| 2021-12-06 | 13.249.137.120 (ClassC) |
| 2022-09-20 | 13.249.141.56 (ClassC) |
| 2023-12-22 | 54.230.163.13 (ClassC) |
| 2023-12-22 | 54.230.163.72 (ClassC) |
| 2024-12-09 | 204.246.191.111 (ClassC) |
| 2025-04-04 | 204.246.191.99 (ClassC) |
| 2025-04-21 | 18.172.170.66 (ClassC) |
| 2025-05-27 | 3.169.202.19 (ClassC) |
| 2025-09-12 | 3.175.34.3 (ClassC) |
| 2025-10-28 | 3.175.34.69 (ClassC) |
| 2025-11-17 | 3.175.34.96 (ClassC) |
| 2026-01-23 | 3.175.34.104 (ClassC) |
| Date | Domain | IP |
| image.ielts.idp.com | 2024-12-03 | 13.224.14.106 |
| bxsearch.ielts.idp.com | 2025-11-03 | 18.161.6.59 |
| book.ielts.idp.com | 2024-11-18 | 18.65.229.90 |
| backoffice.book.ielts.idp.com | 2024-12-09 | 204.246.191.111 |
| api.web.cf.webhook.ielts.idp.com | 2024-06-11 | 54.251.205.173 |
| api.clickstream.ielts.idp.com | 2024-10-07 | 54.251.184.85 |
| api.app.ielts.idp.com | 2026-01-10 | 3.169.173.12 |
| iknow.ielts.idp.com | 2025-10-14 | 141.193.213.20 |