| Date | IP Address |
| 2021-02-08 | 3.121.24.217 (ClassC) |
| 2025-11-28 | 185.11.137.131 (ClassC) |
| Date | Domain | IP |
| mail1.bliem-it.com | 2025-08-04 | 185.11.137.131 |
| auth.bliem-it.com | 2025-11-28 | 185.11.137.131 |
| m.bliem-it.com | 2025-07-29 | 185.11.137.131 |
| imap.bliem-it.com | 2025-07-22 | 185.11.137.131 |