| Date | IP Address |
| 2023-12-03 | 54.93.198.68 (ClassC) |
| 2025-05-27 | 3.74.135.114 (ClassC) |
| 2025-06-13 | 52.28.40.70 (ClassC) |
| 2025-06-22 | 3.120.96.232 (ClassC) |
| 2025-06-25 | 52.58.252.207 (ClassC) |
| 2025-07-01 | 52.59.138.72 (ClassC) |
| 2025-09-14 | 3.77.109.33 (ClassC) |
| 2026-01-08 | 18.156.157.244 (ClassC) |
| 2026-02-12 | 18.185.8.243 (ClassC) |
| Date | Domain | IP |
| stage.cspa.callanworks.co.uk | 2024-12-21 | 108.138.94.16 |
| stage.callanworks.co.uk | 2025-07-13 | 35.156.28.102 |
| api.booking.stage.callanworks.co.uk | 2025-05-30 | 18.185.150.197 |
| api.lessons.stage.callanworks.co.uk | 2025-05-27 | 3.123.174.188 |
| video.callanworks.co.uk | 2025-06-07 | 99.84.66.30 |
| trans.callanworks.co.uk | 2025-08-13 | 18.157.213.133 |
| transactions.callanworks.co.uk | 2025-05-27 | 3.74.135.114 |