| Date | IP Address |
| 2025-01-26 | 18.130.78.89 (ClassC) |
| 2025-10-05 | 18.133.38.57 (ClassC) |
| 2025-11-07 | 35.176.94.222 (ClassC) |
| 2025-11-30 | 3.9.183.208 (ClassC) |
| 2025-12-24 | 35.176.62.85 (ClassC) |
| 2025-12-27 | 18.175.8.154 (ClassC) |
| 2026-01-08 | 51.24.7.145 (ClassC) |
| 2026-01-28 | 18.135.3.38 (ClassC) |
| Date | Domain | IP |
| review-a.integration.account.gov.uk | 2026-01-07 | 3.175.34.63 |
| api.review-a.integration.account.gov.uk | 2024-05-30 | 18.169.58.21 |
| oidc.integration.account.gov.uk | 2024-05-30 | 3.9.127.189 |
| review-hc.integration.account.gov.uk | 2025-10-05 | 3.169.173.128 |
| manage.integration.account.gov.uk | 2025-08-31 | 51.24.19.230 |
| api.review-f.integration.account.gov.uk | 2024-05-30 | 3.11.133.77 |
| signin.integration.account.gov.uk | 2024-05-30 | 18.168.64.168 |
| zendesk.transaction.integration.account.gov.uk | 2024-05-30 | 18.130.57.14 |
| return.integration.account.gov.uk | 2025-12-30 | 3.163.24.115 |
| api.review-o.integration.account.gov.uk | 2025-10-05 | 18.133.38.57 |
| www.review-o.integration.account.gov.uk | 2026-01-03 | 3.163.24.43 |
| review-p.integration.account.gov.uk | 2024-05-30 | 3.8.58.210 |
| api.review-p.integration.account.gov.uk | 2024-05-30 | 13.41.168.148 |