| Date | IP Address |
| 2025-02-11 | 20.108.59.183 (ClassC) |
| Date | Domain | IP |
| reg.pita.css.centralswitchingservice.co.uk | 2023-08-25 | 20.90.204.218 |
| reg.sita.css.centralswitchingservice.co.uk | 2025-02-11 | 20.108.59.183 |
| reg.pitb.css.centralswitchingservice.co.uk | 2023-08-25 | 20.90.199.221 |
| reg.sitb.css.centralswitchingservice.co.uk | 2023-08-25 | 20.108.108.231 |
| reg.preprod.css.centralswitchingservice.co.uk | 2023-08-25 | 52.142.187.137 |