| Date | IP Address |
| 2019-08-27 | 52.85.183.164 (ClassC) |
| 2021-03-02 | 13.225.31.81 (ClassC) |
| 2023-11-01 | 204.246.191.119 (ClassC) |
| 2024-09-14 | 188.208.36.203 (ClassC) |
| 2024-11-25 | 104.21.54.247 (ClassC) |
| 2025-07-05 | 217.19.230.131 (ClassC) |
| 2026-01-29 | 212.125.139.17 (ClassC) |
| Date | Domain | IP |
| eiland.oerol.nl | 2021-07-07 | 204.246.191.17 |
| tickets.oerol.nl | 2025-10-23 | 40.68.27.252 |
| staging.tickets.oerol.nl | 2025-12-28 | 40.68.27.252 |
| eiland-accept.oerol.nl | 2025-01-14 | 99.84.66.66 |
| www.oerol.nl | 2023-11-01 | 204.246.191.119 |