| Date | IP Address |
| 2018-12-31 | 99.84.104.43 (ClassC) |
| 2018-12-31 | 99.84.104.82 (ClassC) |
| 2020-09-10 | 13.225.207.10 (ClassC) |
| 2020-09-10 | 13.225.207.63 (ClassC) |
| 2021-06-06 | 13.225.209.83 (ClassC) |
| 2024-01-11 | 18.161.6.11 (ClassC) |
| 2024-05-01 | 18.161.6.34 (ClassC) |
| 2026-02-23 | 64.190.63.222 (ClassC) |
| Date | Domain | IP |
| www.waten.welzen.app | 2024-02-18 | 204.246.191.42 |
| articles.welzen.app | 2024-03-09 | 18.161.6.66 |
| tennis.welzen.app | 2026-02-01 | 64.190.63.222 |