| Date | IP Address |
| 2019-01-21 | 99.84.168.72 (ClassC) |
| 2019-01-21 | 99.84.168.94 (ClassC) |
| 2020-06-09 | 54.230.209.69 (ClassC) |
| 2020-11-25 | 52.84.16.13 (ClassC) |
| 2020-11-25 | 52.84.16.24 (ClassC) |
| 2020-11-25 | 52.84.16.4 (ClassC) |
| 2020-11-25 | 54.230.18.109 (ClassC) |
| 2020-11-25 | 54.230.18.7 (ClassC) |
| 2021-10-26 | 13.249.137.103 (ClassC) |
| 2021-10-26 | 13.249.137.79 (ClassC) |
| 2024-03-09 | 18.161.6.66 (ClassC) |
| 2025-09-17 | 192.155.84.236 (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 |