| Date | IP Address |
| 2022-06-22 | 99.81.156.97 (ClassC) |
| 2025-12-08 | 63.35.143.234 (ClassC) |
| Date | Domain | IP |
| app-acceptance.r4.researchportal.be | 2025-12-08 | 54.194.154.243 |
| webapp-acceptance.r4.researchportal.be | 2025-10-14 | 54.74.2.101 |
| app-testing.r4.researchportal.be | 2025-10-10 | 54.194.154.243 |
| webapp-testing.r4.researchportal.be | 2025-05-08 | 54.194.154.243 |
| argocd.wrk.r4.researchportal.be | 2025-10-13 | 54.194.154.243 |
| jenkins.wrk.r4.researchportal.be | 2025-10-09 | 54.194.154.243 |
| app-tst.r4.researchportal.be | 2025-11-04 | 63.35.143.234 |
| webapp-tst.r4.researchportal.be | 2025-12-08 | 63.35.143.234 |