| Date | IP Address |
| 2016-06-24 | 54.230.7.49 (ClassC) |
| 2016-06-28 | 54.230.7.19 (ClassC) |
| 2016-07-19 | 52.85.209.124 (ClassC) |
| 2016-07-19 | 54.192.119.6 (ClassC) |
| 2016-11-13 | 52.84.66.231 (ClassC) |
| 2017-05-17 | 52.84.56.10 (ClassC) |
| 2017-07-13 | 52.84.3.116 (ClassC) |
| 2018-10-08 | 52.19.12.163 (ClassC) |
| 2024-06-08 | 70.32.1.32 (ClassC) |
| 2024-07-27 | 103.224.182.253 (ClassC) |
| 2026-02-22 | 35.214.2.160 (ClassC) |
| Date | Domain | IP |
| api.southwesttrains.co.uk | 2024-06-24 | 170.178.183.18 |
| buytickets.southwesttrains.co.uk | 2024-06-24 | 70.32.1.32 |
| www.buytickets.southwesttrains.co.uk | 2026-01-31 | 35.214.2.160 |
| jp-test.southwesttrains.co.uk | 2026-01-20 | 35.214.2.160 |
| www.southwesttrains.co.uk | 2024-06-08 | 70.32.1.32 |