| Date | IP Address |
| 2024-05-09 | 54.154.69.6 (ClassC) |
| 2026-01-01 | 54.217.24.218 (ClassC) |
| 2026-02-28 | 52.17.4.191 (ClassC) |
| Date | Domain | IP |
| postoffice.holidayextras.co.uk | 2026-02-25 | 54.73.119.136 |
| mobile.holidayextras.co.uk | 2024-10-06 | 104.20.35.79 |
| payframe.holidayextras.co.uk | 2025-07-16 | 34.251.188.140 |
| building.holidayextras.co.uk | 2024-03-08 | 99.84.66.55 |
| tui.holidayextras.co.uk | 2026-01-01 | 54.217.24.218 |
| hxtrack.holidayextras.co.uk | 2024-02-13 | 18.155.202.97 |
| thomson.holidayextras.co.uk | 2015-03-31 | 54.247.67.26 |
| app.holidayextras.co.uk | 2015-04-09 | 54.247.67.26 |
| www.holidayextras.co.uk | 2025-01-18 | 104.20.34.79 |