| Date | IP Address |
| 2025-03-23 | 18.132.138.160 (ClassC) |
| 2025-05-12 | 13.134.14.148 (ClassC) |
| 2025-05-19 | 18.175.37.109 (ClassC) |
| 2025-07-12 | 3.9.91.19 (ClassC) |
| 2025-08-01 | 3.9.246.90 (ClassC) |
| Date | Domain | IP |
| api.review-a.dev.account.gov.uk | 2024-05-30 | 35.176.220.241 |
| api.review-d.dev.account.gov.uk | 2025-03-23 | 18.132.138.160 |
| auth.dev.account.gov.uk | 2024-05-30 | 13.42.131.246 |
| api.return.dev.account.gov.uk | 2025-01-20 | 18.130.150.193 |
| bav-cri-front.review-bav.dev.account.gov.uk | 2025-07-31 | 204.246.191.82 |