| Date | IP Address |
| 2023-08-25 | 104.86.232.205 (ClassC) |
| 2024-07-24 | 104.89.229.27 (ClassC) |
| 2024-07-28 | 23.36.137.24 (ClassC) |
| 2024-08-10 | 23.37.104.85 (ClassC) |
| 2024-08-28 | 23.202.201.212 (ClassC) |
| 2024-11-15 | 23.54.38.212 (ClassC) |
| 2024-12-30 | 23.213.20.107 (ClassC) |
| 2025-02-04 | 23.202.194.209 (ClassC) |
| 2025-04-28 | 23.202.201.220 (ClassC) |
| 2025-10-17 | 23.213.20.28 (ClassC) |
| 2025-12-20 | 104.92.248.42 (ClassC) |
| 2026-03-09 | 23.209.30.231 (ClassC) |
| Date | Domain | IP |
| beta.intranet.travelzoo.com | 2023-08-25 | 104.86.232.205 |
| backoffice.intranet.travelzoo.com | 2023-08-25 | 104.86.232.205 |
| origin-backoffice.intranet.travelzoo.com | 2026-02-04 | 104.43.195.174 |
| beta.backoffice.intranet.travelzoo.com | 2023-08-25 | 104.86.232.205 |
| release.backoffice.intranet.travelzoo.com | 2023-08-25 | 104.86.232.205 |
| release.intranet.travelzoo.com | 2023-08-25 | 104.86.232.205 |
| new.intranet.travelzoo.com | 2023-09-29 | 104.86.232.205 |
| beta.new.intranet.travelzoo.com | 2023-09-29 | 104.86.232.205 |
| release.new.intranet.travelzoo.com | 2023-09-29 | 104.86.232.205 |