| Date | IP Address |
| 2025-03-15 | 104.16.159.248 (ClassC) |
| 2025-06-12 | 104.16.158.248 (ClassC) |
| 2026-01-22 | 104.17.83.187 (ClassC) |
| Date | Domain | IP |
| ereader-integ.osiander.de | 2025-02-08 | 104.16.159.248 |
| png.osiander.de | 2025-03-03 | 145.239.193.108 |
| rubbeln.osiander.de | 2025-05-02 | 104.16.158.248 |
| integration.osiander.de | 2024-12-24 | 104.16.159.248 |
| app-integration.osiander.de | 2025-01-28 | 104.16.158.248 |
| app.osiander.de | 2022-11-23 | 104.16.159.248 |
| ereader.osiander.de | 2024-11-19 | 104.16.158.248 |
| www.osiander.de | 2025-02-05 | 104.16.158.248 |