| Date | IP Address |
| 2021-08-12 | 54.78.106.78 (ClassC) |
| 2022-07-13 | 54.72.91.244 (ClassC) |
| 2023-06-26 | 63.35.75.179 (ClassC) |
| 2025-01-03 | 34.247.235.100 (ClassC) |
| 2025-05-02 | 52.213.4.208 (ClassC) |
| 2025-05-12 | 34.252.146.71 (ClassC) |
| 2025-08-03 | 52.211.70.135 (ClassC) |
| 2025-09-09 | 34.246.212.166 (ClassC) |
| 2025-09-22 | 18.203.241.34 (ClassC) |
| 2025-10-29 | 54.77.221.127 (ClassC) |
| 2026-02-10 | 54.170.29.183 (ClassC) |
| Date | Domain | IP |
| v2.holidayextras.nl | 2025-09-22 | 52.19.205.152 |
| app.holidayextras.nl | 2025-08-28 | 108.128.121.188 |