| Date | IP Address |
| 2020-06-14 | 172.67.71.128 (ClassC) |
| 2024-07-02 | 104.26.5.16 (ClassC) |
| 2025-02-23 | 104.26.4.16 (ClassC) |
| 2026-02-02 | 172.67.72.15 (ClassC) |
| Date | Domain | IP |
| data.norderney-zs.de | 2025-02-11 | 104.26.5.16 |
| uat-data.norderney-zs.de | 2024-12-01 | 104.26.5.16 |
| 360grad.norderney-zs.de | 2025-08-26 | 172.67.72.15 |
| update.norderney-zs.de | 2025-01-02 | 104.26.4.16 |
| daten.norderney-zs.de | 2025-04-25 | 104.26.5.16 |
| gaeste-app.norderney-zs.de | 2024-11-18 | 104.26.5.16 |
| uat-gaeste-app.norderney-zs.de | 2024-10-24 | 172.67.72.15 |
| uat.norderney-zs.de | 2024-11-18 | 172.67.72.15 |