| Date | IP Address |
| 2021-04-22 | 13.249.64.12 (ClassC) |
| 2021-04-22 | 13.249.64.52 (ClassC) |
| 2021-12-10 | 65.9.83.109 (ClassC) |
| 2022-04-11 | 13.224.226.57 (ClassC) |
| 2022-04-12 | 13.224.239.12 (ClassC) |
| 2023-05-22 | 18.65.39.80 (ClassC) |
| 2024-09-18 | 99.84.66.18 (ClassC) |
| 2024-09-25 | 99.84.66.53 (ClassC) |
| 2025-02-25 | 3.163.24.40 (ClassC) |
| 2025-03-16 | 52.84.162.53 (ClassC) |
| 2025-04-22 | 3.163.24.46 (ClassC) |
| 2025-09-06 | 3.163.24.25 (ClassC) |
| 2026-01-23 | 3.163.24.10 (ClassC) |
| Date | Domain | IP |
| admin-twill.iu-dualesstudium.de | 2025-09-06 | 89.106.200.1 |
| www.iu-dualesstudium.de | 2024-09-18 | 99.84.66.18 |