| Date | IP Address |
| 2024-11-25 | 34.250.74.147 (ClassC) |
| 2025-01-08 | 52.215.15.203 (ClassC) |
| 2025-01-19 | 54.216.69.233 (ClassC) |
| 2025-05-15 | 52.208.158.90 (ClassC) |
| 2025-06-18 | 52.18.184.144 (ClassC) |
| 2025-09-05 | 52.31.0.96 (ClassC) |
| 2025-10-19 | 52.50.252.187 (ClassC) |
| 2025-12-01 | 54.170.250.85 (ClassC) |
| 2025-12-06 | 99.81.200.157 (ClassC) |
| 2026-03-08 | 63.35.30.121 (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 |