| Date | IP Address |
| 2019-03-05 | 184.31.192.226 (ClassC) |
| 2022-11-21 | 104.106.19.199 (ClassC) |
| 2023-08-28 | 104.86.237.13 (ClassC) |
| 2023-11-02 | 23.64.181.104 (ClassC) |
| 2024-05-13 | 23.203.224.146 (ClassC) |
| 2024-07-26 | 23.198.125.164 (ClassC) |
| 2024-07-30 | 104.104.10.214 (ClassC) |
| 2024-11-11 | 23.198.153.218 (ClassC) |
| 2024-11-25 | 88.221.159.199 (ClassC) |
| 2025-02-10 | 184.24.195.21 (ClassC) |
| 2025-10-16 | 23.37.219.89 (ClassC) |
| 2026-02-23 | 2.19.138.221 (ClassC) |
| Date | Domain | IP |
| self-service.vaillant.at | 2025-04-20 | 194.195.5.37 |
| www.vaillant.at | 2023-08-28 | 104.86.237.13 |