| Date | IP Address |
| 2023-05-24 | 13.41.140.6 (ClassC) |
| 2025-08-19 | 18.164.116.24 (ClassC) |
| 2025-08-19 | 18.164.116.44 (ClassC) |
| 2025-11-16 | 3.169.173.78 (ClassC) |
| 2026-01-02 | 3.169.173.91 (ClassC) |
| 2026-01-21 | 3.169.173.66 (ClassC) |
| Date | Domain | IP |
| cms.stage.v3.s4c.cymru | 2025-10-09 | 18.161.6.15 |
| cms.v3.s4c.cymru | 2025-11-16 | 3.169.173.78 |
| cms.dev.v3.s4c.cymru | 2026-01-20 | 18.161.6.106 |