| Date | IP Address |
| 2023-10-29 | 52.59.21.8 (ClassC) |
| 2024-05-24 | 3.125.179.143 (ClassC) |
| 2024-06-21 | 18.158.109.107 (ClassC) |
| 2024-07-02 | 52.29.128.217 (ClassC) |
| 2024-09-11 | 54.93.208.119 (ClassC) |
| 2025-01-08 | 35.158.55.192 (ClassC) |
| 2025-05-07 | 52.28.44.54 (ClassC) |
| 2025-06-03 | 3.120.44.120 (ClassC) |
| Date | Domain | IP |
| anfrage.welltec-wasser.de | 2025-05-04 | 3.124.30.63 |
| www.welltec-wasser.de | 2024-05-24 | 3.125.179.143 |