| Date | IP Address |
| 2022-03-25 | 45.132.245.25 (ClassC) |
| 2026-01-27 | 152.53.228.141 (ClassC) |
| Date | Domain | IP |
| manage.tau.linac.de | 2025-12-28 | 152.53.228.141 |
| pdf.tau.linac.de | 2025-07-31 | 152.53.228.141 |
| search.tau.linac.de | 2025-09-03 | 152.53.228.141 |
| mail.tau.linac.de | 2025-07-31 | 152.53.228.141 |
| test.tau.linac.de | 2026-01-27 | 152.53.228.141 |
| proxy.tau.linac.de | 2025-07-31 | 152.53.228.141 |