| Date | IP Address |
| 2025-01-19 | 85.233.120.244 (ClassC) |
| Date | Domain | IP |
| www3.hshg.at | 2023-08-28 | 37.235.0.97 |
| www7.hshg.at | 2024-12-06 | 85.233.120.244 |
| katalog.hshg.at | 2023-08-28 | 37.235.0.97 |
| ebook.hshg.at | 2023-08-28 | 37.235.0.97 |
| mail.hshg.at | 2025-01-10 | 90.146.1.60 |
| immobilien.hshg.at | 2024-11-23 | 85.233.120.244 |
| www.hshg.at | 2025-01-11 | 85.233.120.244 |