| Date | IP Address |
| 2024-09-13 | 104.26.13.245 (ClassC) |
| 2024-09-21 | 104.26.12.245 (ClassC) |
| 2024-11-25 | 104.21.81.221 (ClassC) |
| 2024-12-28 | 172.67.191.150 (ClassC) |
| 2025-01-10 | 104.21.96.1 (ClassC) |
| 2025-01-23 | 104.21.48.1 (ClassC) |
| 2025-01-28 | 104.21.16.1 (ClassC) |
| Date | Domain | IP |
| www.grundsteuer-app.de | 2024-11-25 | 104.21.81.221 |