| Date | IP Address |
| 2023-10-29 | 52.59.21.8 (ClassC) |
| 2024-05-24 | 3.125.179.143 (ClassC) |
| 2024-11-06 | 18.198.141.106 (ClassC) |
| 2024-12-07 | 3.66.114.173 (ClassC) |
| 2025-01-10 | 35.158.55.192 (ClassC) |
| 2025-03-29 | 18.197.223.205 (ClassC) |
| 2025-05-05 | 52.28.44.54 (ClassC) |
| 2025-05-15 | 18.157.101.78 (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 |