| Date | IP Address |
| 2022-09-14 | 18.155.145.129 (ClassC) |
| 2022-09-14 | 18.155.145.2 (ClassC) |
| 2025-02-21 | 52.85.132.58 (ClassC) |
| 2025-11-16 | 18.161.6.2 (ClassC) |
| Date | Domain | IP |
| secure2.bookonline.com | 2025-07-08 | 172.66.43.106 |
| compare-static.bookonline.com | 2025-11-16 | 18.161.6.2 |
| compare.bookonline.com | 2024-12-19 | 35.155.25.126 |
| secure.bookonline.com | 2025-02-27 | 104.16.161.115 |
| autodiscover.bookonline.com | 2025-07-18 | 172.66.43.106 |
| www.bookonline.com | 2025-07-20 | 172.66.43.106 |