| Date | IP Address |
| 2024-09-16 | 40.127.143.145 (ClassC) |
| 2025-10-04 | 4.207.244.99 (ClassC) |
| Date | Domain | IP |
| cloud.zuidwester.org | 2023-08-26 | 185.149.76.53 |
| planywhere.zuidwester.org | 2024-10-06 | 20.123.251.106 |
| webkasbankboek.zuidwester.org | 2024-09-16 | 40.127.143.145 |
| iam.zuidwester.org | 2024-08-21 | 40.127.143.145 |
| exactfinancials.zuidwester.org | 2024-10-26 | 20.123.251.106 |
| exact.zuidwester.org | 2023-08-25 | 20.123.251.106 |
| planywheretst.zuidwester.org | 2024-09-12 | 20.123.251.106 |