| Date | IP Address |
| 2019-10-24 | 85.13.163.48 (ClassC) |
| 2025-11-29 | 85.13.138.153 (ClassC) |
| Date | Domain | IP |
| mail10.airoc.de | 2025-09-14 | 85.13.138.153 |
| mx5.airoc.de | 2025-09-14 | 85.13.138.153 |
| barracuda.airoc.de | 2025-11-20 | 85.13.138.153 |
| posta.airoc.de | 2025-11-18 | 85.13.138.153 |
| antispam.airoc.de | 2025-11-18 | 85.13.138.153 |
| mailin.airoc.de | 2025-11-18 | 85.13.138.153 |
| po.airoc.de | 2025-11-18 | 85.13.138.153 |
| server.airoc.de | 2025-11-20 | 85.13.138.153 |
| ns.airoc.de | 2025-09-09 | 85.13.138.153 |
| mxs.airoc.de | 2025-09-14 | 85.13.138.153 |
| out.airoc.de | 2025-11-27 | 85.13.138.153 |
| gw.airoc.de | 2025-11-18 | 85.13.138.153 |
| a.mx.airoc.de | 2025-11-27 | 85.13.138.153 |