| Date | IP Address |
| 2014-04-11 | 195.2.220.29 (ClassC) |
| 2026-02-17 | 185.26.191.2 (ClassC) |
| Date | Domain | IP |
| zeitreise.wienholding.at | 2025-05-25 | 185.26.191.2 |
| crm.wienholding.at | 2025-08-13 | 185.26.191.2 |
| jobs.wienholding.at | 2025-09-13 | 185.26.188.180 |
| intranet.wienholding.at | 2025-06-28 | 185.26.190.195 |
| www.wienholding.at | 2025-06-01 | 185.26.191.2 |
| ddsg-rexx.wienholding.at | 2025-06-20 | 185.26.188.180 |
| sth-rexx.wienholding.at | 2025-06-12 | 185.26.188.180 |
| hdm-rexx.wienholding.at | 2025-02-01 | 185.26.188.180 |
| whm-rexx.wienholding.at | 2025-08-17 | 185.26.188.180 |
| who-rexx.wienholding.at | 2025-08-20 | 185.26.188.180 |
| cdr-rexx.wienholding.at | 2025-06-11 | 185.26.188.180 |