| Date | IP Address |
| 2021-06-08 | 52.218.89.28 (ClassC) |
| 2024-07-11 | 52.218.101.36 (ClassC) |
| 2024-10-07 | 52.218.105.140 (ClassC) |
| 2025-01-13 | 52.218.61.196 (ClassC) |
| 2025-02-28 | 3.5.71.100 (ClassC) |
| 2025-05-17 | 52.92.1.44 (ClassC) |
| 2025-08-04 | 3.5.67.207 (ClassC) |
| Date | Domain | IP |
| api-v1.cromwell.co.uk | 2024-08-23 | 18.161.6.107 |
| catalogue.cromwell.co.uk | 2024-07-11 | 52.218.101.36 |
| tools.cromwell.co.uk | 2024-03-19 | 108.139.10.32 |
| content.cromwell.co.uk | 2024-12-03 | 3.163.158.28 |
| static-content.cromwell.co.uk | 2024-02-28 | 204.246.191.52 |
| www.cromwell.co.uk | 2023-11-01 | 3.163.24.6 |