| Date | IP Address |
| 2024-06-09 | 52.76.34.36 (ClassC) |
| 2025-01-04 | 3.1.120.157 (ClassC) |
| 2025-01-17 | 52.220.50.75 (ClassC) |
| 2025-02-23 | 13.250.206.147 (ClassC) |
| 2025-04-26 | 54.151.211.100 (ClassC) |
| 2025-08-18 | 54.169.221.40 (ClassC) |
| 2025-09-01 | 3.0.31.164 (ClassC) |
| 2025-09-26 | 52.76.15.22 (ClassC) |
| Date | Domain | IP |
| bxsearch.dev.ielts.com | 2025-04-28 | 18.161.6.93 |
| api.inspera-speaking-integration.dev.ielts.com | 2024-06-09 | 52.76.34.36 |
| sb.bx.dev.ielts.com | 2024-09-13 | 204.246.191.24 |
| backoffice.bx.dev.ielts.com | 2024-08-28 | 99.84.66.76 |