| Date | IP Address |
| 2022-06-03 | 35.156.234.101 (ClassC) |
| 2024-11-25 | 52.57.137.103 (ClassC) |
| 2024-12-06 | 3.127.10.125 (ClassC) |
| 2024-12-30 | 3.73.97.23 (ClassC) |
| 2025-02-07 | 3.77.87.199 (ClassC) |
| 2025-02-22 | 3.75.113.115 (ClassC) |
| 2025-05-07 | 99.84.66.65 (ClassC) |
| 2025-05-10 | 99.84.66.119 (ClassC) |
| 2025-06-25 | 3.126.159.162 (ClassC) |
| 2025-07-15 | 18.159.152.215 (ClassC) |
| 2025-08-27 | 52.28.84.64 (ClassC) |
| 2025-10-17 | 35.159.48.154 (ClassC) |
| Date | Domain | IP |
| backend.siewert-kau.com | 2024-06-16 | 3.67.59.155 |
| cdn.siewert-kau.com | 2024-06-13 | 18.161.6.53 |
| www.siewert-kau.com | 2024-11-25 | 52.57.137.103 |