| Date | IP Address |
| 2021-06-17 | 65.8.228.5 (ClassC) |
| 2021-06-22 | 54.230.103.126 (ClassC) |
| 2021-06-25 | 13.225.51.98 (ClassC) |
| 2021-06-26 | 13.226.178.10 (ClassC) |
| 2021-06-26 | 13.226.178.92 (ClassC) |
| 2021-06-30 | 13.226.188.10 (ClassC) |
| 2024-06-14 | 3.163.24.115 (ClassC) |
| 2024-07-30 | 18.161.6.92 (ClassC) |
| 2024-09-30 | 18.172.170.49 (ClassC) |
| 2024-11-12 | 204.246.191.59 (ClassC) |
| 2025-05-20 | 3.163.165.89 (ClassC) |
| 2025-07-06 | 3.163.189.83 (ClassC) |
| Date | Domain | IP |
| prd.connect.uni-eng.de | 2024-06-10 | 18.196.94.249 |
| download.prd.connect.uni-eng.de | 2024-06-09 | 3.67.112.181 |
| email.stg.connect.uni-eng.de | 2024-06-03 | 99.84.66.23 |
| documents.stg.connect.uni-eng.de | 2024-03-29 | 3.163.24.64 |
| email.dev.connect.uni-eng.de | 2024-06-14 | 3.163.24.115 |
| documents.dev.connect.uni-eng.de | 2024-09-22 | 3.163.24.54 |