| Date | IP Address |
| 2022-08-02 | 52.59.121.12 (ClassC) |
| 2022-11-11 | 18.197.71.182 (ClassC) |
| 2023-05-26 | 3.121.117.242 (ClassC) |
| 2023-10-29 | 3.74.48.45 (ClassC) |
| 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) |
| 2025-07-01 | 3.126.228.49 (ClassC) |
| 2025-08-14 | 3.66.44.60 (ClassC) |
| 2025-08-23 | 18.193.19.89 (ClassC) |
| 2025-09-01 | 18.197.239.238 (ClassC) |
| 2026-02-04 | 3.78.96.15 (ClassC) |
| 2026-03-05 | 3.73.176.134 (ClassC) |
| Date | Domain | IP |
| anfrage.welltec-wasser.de | 2025-08-16 | 3.124.30.63 |
| www.welltec-wasser.de | 2024-05-24 | 3.125.179.143 |