| Date | IP Address |
| 2023-12-01 | 85.13.128.233 (ClassC) |
| 2025-11-27 | 85.13.129.123 (ClassC) |
| Date | Domain | IP |
| authsmtp.muromachi.de | 2025-11-26 | 85.13.129.123 |
| host.muromachi.de | 2025-11-25 | 85.13.129.123 |
| mailhost.muromachi.de | 2025-10-30 | 85.13.129.123 |
| mailout.muromachi.de | 2025-10-30 | 85.13.129.123 |