| Date | IP Address |
| 2022-08-27 | 108.128.3.201 (ClassC) |
| 2024-11-25 | 34.254.137.4 (ClassC) |
| 2024-12-13 | 176.34.116.110 (ClassC) |
| 2025-01-01 | 63.33.82.68 (ClassC) |
| 2025-01-06 | 54.195.79.174 (ClassC) |
| 2025-07-02 | 108.128.88.78 (ClassC) |
| 2025-08-16 | 52.208.249.34 (ClassC) |
| 2025-09-06 | 54.77.8.36 (ClassC) |
| 2025-10-10 | 54.73.119.205 (ClassC) |
| 2025-12-01 | 34.250.70.219 (ClassC) |
| 2025-12-17 | 52.48.154.194 (ClassC) |
| 2026-03-02 | 34.252.54.184 (ClassC) |
| 2026-03-08 | 18.200.112.254 (ClassC) |
| Date | Domain | IP |
| serviceportal.firstgroup.co.uk | 2025-12-19 | 162.159.140.147 |
| s4-dev.firstgroup.co.uk | 2024-11-25 | 34.250.74.147 |
| www.firstgroup.co.uk | 2024-11-25 | 34.254.137.4 |