| Date | IP Address |
| 2025-04-04 | 104.198.14.52 (ClassC) |
| 2025-10-14 | 172.67.149.38 (ClassC) |
| 2026-02-05 | 104.21.55.148 (ClassC) |
| Date | Domain | IP |
| speedtest-1.edinburgh.network.youfibre.com | 2026-02-03 | 45.92.46.33 |
| speedtest-1.london.network.youfibre.com | 2025-05-05 | 45.92.46.45 |
| speedtest-1.manchester.network.youfibre.com | 2025-04-04 | 45.92.46.189 |
| support.youfibre.com | 2026-01-24 | 216.150.16.193 |
| www.youfibre.com | 2023-11-01 | 13.57.148.141 |