| Date | IP Address |
| 2014-09-15 | 141.0.17.169 (ClassC) |
| 2020-02-04 | 13.249.79.69 (ClassC) |
| 2020-08-02 | 13.226.50.103 (ClassC) |
| 2020-08-02 | 13.226.50.116 (ClassC) |
| 2020-08-26 | 143.204.150.67 (ClassC) |
| 2020-08-30 | 13.224.38.101 (ClassC) |
| 2020-08-30 | 13.224.38.48 (ClassC) |
| 2020-09-05 | 13.226.45.123 (ClassC) |
| 2020-09-05 | 13.226.45.45 (ClassC) |
| 2020-09-10 | 13.225.65.78 (ClassC) |
| 2020-09-10 | 13.225.65.96 (ClassC) |
| 2020-10-09 | 65.8.233.116 (ClassC) |
| 2020-10-09 | 65.8.233.122 (ClassC) |
| 2020-10-26 | 13.32.212.124 (ClassC) |
| 2020-10-26 | 13.32.212.43 (ClassC) |
| 2020-10-26 | 13.32.212.82 (ClassC) |
| 2020-11-01 | 13.32.86.68 (ClassC) |
| 2020-11-01 | 13.32.86.4 (ClassC) |
| 2020-12-06 | 99.84.176.129 (ClassC) |
| 2020-12-06 | 99.84.176.20 (ClassC) |
| 2020-12-06 | 99.84.176.71 (ClassC) |
| 2021-01-09 | 99.84.214.63 (ClassC) |
| 2021-01-10 | 99.84.214.95 (ClassC) |
| 2021-02-14 | 13.32.219.75 (ClassC) |
| 2021-02-22 | 54.192.58.2 (ClassC) |
| 2021-02-22 | 54.192.58.58 (ClassC) |
| 2021-02-22 | 54.192.58.79 (ClassC) |
| 2022-08-07 | 35.157.106.68 (ClassC) |
| 2025-10-17 | 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 | 2025-09-28 | 89.106.200.1 |