| Date | IP Address |
| 2017-10-17 | 184.31.196.34 (ClassC) |
| 2018-05-13 | 104.91.192.158 (ClassC) |
| 2019-05-24 | 23.33.62.172 (ClassC) |
| 2019-08-02 | 204.237.173.193 (ClassC) |
| 2019-08-02 | 204.237.173.186 (ClassC) |
| 2019-11-13 | 23.56.169.34 (ClassC) |
| 2020-03-31 | 173.223.52.2 (ClassC) |
| 2022-03-28 | 23.221.220.21 (ClassC) |
| 2024-09-23 | 23.46.17.16 (ClassC) |
| 2024-10-28 | 23.46.228.165 (ClassC) |
| 2024-11-22 | 23.44.175.164 (ClassC) |
| 2024-11-25 | 23.46.17.43 (ClassC) |
| 2025-07-10 | 23.46.228.170 (ClassC) |
| 2025-11-26 | 23.216.147.209 (ClassC) |
| 2026-02-18 | 23.46.228.167 (ClassC) |
| Date | Domain | IP |
| t.viessmann.rs | 2025-01-10 | 34.111.102.177 |
| www.viessmann.rs | 2024-09-23 | 23.46.17.16 |