| Date | IP Address |
| 2025-01-18 | 91.212.46.136 (ClassC) |
| Date | Domain | IP |
| ns1.ergo-austria.at | 2024-06-30 | 91.212.46.130 |
| ns2.ergo-austria.at | 2024-06-30 | 91.212.46.132 |
| autodiscover.ergo-austria.at | 2024-09-28 | 91.212.46.9 |
| www.ergo-austria.at | 2024-09-28 | 91.212.46.136 |
| legacy.ergo-austria.at | 2025-01-18 | 91.212.46.149 |