| Date | IP Address |
| 2014-06-15 | 213.249.208.132 (ClassC) |
| 2014-06-16 | 77.86.21.229 (ClassC) |
| 2014-06-16 | 213.249.208.134 (ClassC) |
| 2021-08-19 | 65.8.56.87 (ClassC) |
| 2021-08-26 | 54.239.174.40 (ClassC) |
| 2021-12-08 | 52.85.149.59 (ClassC) |
| 2023-08-26 | 99.84.66.124 (ClassC) |
| 2023-11-01 | 3.163.24.2 (ClassC) |
| 2024-08-19 | 3.161.225.96 (ClassC) |
| 2024-11-19 | 204.246.191.40 (ClassC) |
| 2025-03-29 | 108.156.211.26 (ClassC) |
| 2025-04-14 | 18.161.6.57 (ClassC) |
| 2025-05-20 | 18.161.21.17 (ClassC) |
| 2025-07-02 | 18.161.6.54 (ClassC) |
| 2025-07-11 | 108.157.142.95 (ClassC) |
| 2025-07-31 | 3.163.80.6 (ClassC) |
| 2026-01-11 | 3.169.173.60 (ClassC) |
| 2026-01-20 | 3.169.173.56 (ClassC) |
| Date | Domain | IP |
| api-v1.cromwell.co.uk | 2025-01-05 | 13.224.14.86 |
| 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 | 2024-12-03 | 3.163.158.84 |
| www.cromwell.co.uk | 2023-11-01 | 3.163.24.6 |