| Date | IP Address |
| 2026-01-20 | 20.72.99.4 (ClassC) |
| Date | Domain | IP |
| origprod.washcoldchallenge.co.uk | 2025-10-16 | 20.72.99.4 |
| stage.washcoldchallenge.co.uk | 2025-08-17 | 20.65.19.52 |
| dev.washcoldchallenge.co.uk | 2025-10-16 | 20.65.19.52 |
| www.washcoldchallenge.co.uk | 2026-01-20 | 20.72.99.4 |