| Date | IP Address |
| 2021-11-14 | 99.84.206.11 (ClassC) |
| 2021-11-14 | 13.225.149.77 (ClassC) |
| 2021-11-14 | 99.84.206.16 (ClassC) |
| 2021-12-01 | 18.64.236.54 (ClassC) |
| 2023-10-25 | 54.230.206.67 (ClassC) |
| 2023-11-01 | 18.66.192.58 (ClassC) |
| 2023-11-16 | 18.165.183.21 (ClassC) |
| 2024-05-05 | 13.224.189.54 (ClassC) |
| 2024-09-13 | 13.224.189.34 (ClassC) |
| 2024-10-20 | 108.157.142.99 (ClassC) |
| 2024-11-03 | 13.224.189.8 (ClassC) |
| 2025-01-10 | 108.157.142.105 (ClassC) |
| 2025-03-03 | 108.157.142.15 (ClassC) |
| 2025-03-10 | 3.160.150.83 (ClassC) |
| 2025-03-31 | 3.160.150.35 (ClassC) |
| 2025-04-07 | 108.157.142.22 (ClassC) |
| 2025-04-17 | 3.160.150.53 (ClassC) |
| 2026-02-23 | 188.245.97.28 (ClassC) |
| Date | Domain | IP |
| abwasserwerk.stadtwerke-altena.de | 2024-07-28 | 204.246.191.49 |
| www.stadtwerke-altena.de | 2025-02-26 | 18.65.229.65 |