| Date | IP Address |
| 2021-08-09 | 2.21.135.244 (ClassC) |
| 2023-08-26 | 23.216.249.30 (ClassC) |
| 2024-04-19 | 104.78.175.251 (ClassC) |
| 2024-07-30 | 23.51.100.95 (ClassC) |
| 2024-09-13 | 23.38.221.111 (ClassC) |
| 2024-11-08 | 23.208.240.170 (ClassC) |
| 2025-01-23 | 184.27.110.101 (ClassC) |
| Date | Domain | IP |
| secure.hmce.gov.uk | 2023-08-26 | 104.86.47.76 |
| www.hmce.gov.uk | 2023-08-26 | 23.216.249.30 |