| Date | IP Address |
| 2020-06-22 | 99.86.62.48 (ClassC) |
| 2024-07-02 | 18.65.3.51 (ClassC) |
| 2025-05-21 | 108.138.94.122 (ClassC) |
| 2025-07-25 | 99.84.66.55 (ClassC) |
| 2025-07-29 | 99.84.66.78 (ClassC) |
| 2025-08-01 | 99.84.66.66 (ClassC) |
| 2025-09-12 | 3.169.173.77 (ClassC) |
| 2025-12-10 | 3.169.173.61 (ClassC) |
| Date | Domain | IP |
| preproduction.etd.fcodev.org.uk | 2024-11-13 | 108.138.94.116 |
| designer-upgrade.repatriation.fcodev.org.uk | 2024-11-25 | 18.169.33.96 |
| integration.legalisation.fcodev.org.uk | 2024-06-27 | 99.84.66.112 |
| preproduction.legalisation.fcodev.org.uk | 2024-03-13 | 18.161.6.27 |
| integration.verify.fcodev.org.uk | 2024-07-02 | 18.65.3.51 |