| Date | IP Address |
| 2023-12-05 | 18.130.58.176 (ClassC) |
| 2024-06-15 | 35.178.6.203 (ClassC) |
| 2024-12-06 | 18.168.247.18 (ClassC) |
| 2025-09-03 | 18.130.215.52 (ClassC) |
| 2025-09-06 | 35.176.59.197 (ClassC) |
| 2025-12-03 | 3.10.10.45 (ClassC) |
| 2025-12-13 | 35.177.62.231 (ClassC) |
| 2025-12-27 | 35.177.245.176 (ClassC) |
| 2026-02-18 | 13.134.164.30 (ClassC) |
| Date | Domain | IP |
| ipvstub.review-c.build.account.gov.uk | 2024-05-30 | 18.170.231.3 |
| api.review-c.build.account.gov.uk | 2025-12-26 | 3.9.75.36 |
| events.review-b-async.build.account.gov.uk | 2025-03-23 | 35.179.21.48 |
| home.build.account.gov.uk | 2025-11-07 | 3.163.24.93 |
| review-k.build.account.gov.uk | 2026-02-04 | 3.163.24.110 |
| fraud-function.platform.build.account.gov.uk | 2025-12-31 | 3.169.173.109 |
| signin.build.account.gov.uk | 2025-12-03 | 3.169.173.93 |
| ipvstub.review-o.build.account.gov.uk | 2024-05-30 | 3.9.98.131 |
| identity.build.account.gov.uk | 2025-09-18 | 3.169.173.8 |
| api.identity.build.account.gov.uk | 2025-09-03 | 18.130.215.52 |