| Date | IP Address |
| 2020-04-30 | 143.204.142.112 (ClassC) |
| 2020-04-30 | 143.204.142.61 (ClassC) |
| 2020-06-15 | 143.204.147.77 (ClassC) |
| 2020-06-15 | 143.204.147.82 (ClassC) |
| 2020-06-15 | 143.204.147.19 (ClassC) |
| 2020-09-12 | 143.204.226.109 (ClassC) |
| 2022-04-20 | 52.58.82.213 (ClassC) |
| 2022-09-02 | 35.157.106.68 (ClassC) |
| 2026-01-27 | 89.106.200.1 (ClassC) |
| Date | Domain | IP |
| bewerberportal.iubh-dualesstudium.de | 2024-10-05 | 204.246.191.49 |
| mail.iubh-dualesstudium.de | 2019-06-25 | 82.165.164.178 |
| www.iubh-dualesstudium.de | 2026-01-27 | 89.106.200.1 |