| Date | IP Address |
| 2024-09-14 | 65.9.95.52 (ClassC) |
| 2025-07-22 | 204.246.191.35 (ClassC) |
| 2026-01-19 | 3.169.173.97 (ClassC) |
| Date | Domain | IP |
| collaborate.preprod.resilience.gov.uk | 2025-06-01 | 204.246.191.98 |
| collaborate.resilience.gov.uk | 2025-12-08 | 3.175.34.87 |
| auth.resilience.gov.uk | 2025-05-18 | 18.238.217.119 |