| Date | IP Address |
| 2024-10-19 | 18.196.20.129 (ClassC) |
| 2024-10-27 | 3.120.77.166 (ClassC) |
| 2024-11-14 | 3.123.151.135 (ClassC) |
| 2024-12-01 | 18.193.107.88 (ClassC) |
| 2024-12-26 | 18.184.111.239 (ClassC) |
| 2025-03-25 | 18.195.192.222 (ClassC) |
| 2025-05-12 | 52.57.73.128 (ClassC) |
| 2025-07-12 | 3.64.106.174 (ClassC) |
| 2025-08-11 | 3.72.123.247 (ClassC) |
| 2025-08-15 | 3.122.17.82 (ClassC) |
| 2025-09-05 | 18.193.170.94 (ClassC) |
| 2025-11-26 | 3.120.24.138 (ClassC) |
| Date | Domain | IP |
| cdh-web-simulation.haufe-akademie.akadev.de | 2024-10-19 | 3.123.58.139 |
| cdh-simulation.haufe-akademie.akadev.de | 2024-10-19 | 18.196.20.129 |
| badges.haufe-akademie.akadev.de | 2024-04-23 | 3.127.90.4 |
| test.haufe-akademie.akadev.de | 2025-05-14 | 217.31.88.220 |
| livetest.haufe-akademie.akadev.de | 2025-09-22 | 217.31.88.220 |