| Date | IP Address |
| 2021-03-25 | 85.13.153.200 (ClassC) |
| 2025-12-14 | 85.13.139.1 (ClassC) |
| Date | Domain | IP |
| mail6.patchwerk.net | 2025-12-14 | 85.13.139.1 |
| m.patchwerk.net | 2025-12-14 | 85.13.139.1 |
| 2.patchwerk.net.patchwerk.net | 2025-12-12 | 85.13.139.1 |
| mailx.patchwerk.net | 2025-12-14 | 85.13.139.1 |