| Date | IP Address |
| 2024-04-23 | 3.127.90.4 (ClassC) |
| 2024-10-27 | 52.58.115.79 (ClassC) |
| 2024-10-30 | 3.65.50.148 (ClassC) |
| 2025-01-25 | 18.194.96.184 (ClassC) |
| 2025-03-30 | 18.157.214.138 (ClassC) |
| 2025-05-15 | 18.198.199.161 (ClassC) |
| 2025-07-29 | 3.122.117.73 (ClassC) |
| 2025-08-23 | 18.195.185.150 (ClassC) |
| 2025-09-01 | 35.157.250.218 (ClassC) |
| 2025-11-26 | 3.126.97.32 (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 |