| Date | IP Address |
| 2024-04-21 | 45.60.20.43 (ClassC) |
| 2024-05-31 | 45.60.14.43 (ClassC) |
| 2024-12-13 | 172.67.12.211 (ClassC) |
| 2024-12-24 | 104.22.79.197 (ClassC) |
| 2025-01-01 | 104.22.78.197 (ClassC) |
| Date | Domain | IP |
| mailing.crelan.be | 2024-12-12 | 37.148.180.9 |
| mail.crelan.be | 2024-10-11 | 194.0.205.234 |
| developer.crelan.be | 2024-12-14 | 160.92.158.89 |
| www.crelan.be | 2024-04-30 | 45.60.12.43 |
| api-sandbox.crelan.be | 2024-11-11 | 160.92.158.89 |
| webapi-sandbox.crelan.be | 2024-10-17 | 160.92.158.89 |