| Date | IP Address |
| 2017-08-14 | 184.31.196.34 (ClassC) |
| 2018-04-14 | 104.91.192.158 (ClassC) |
| 2019-09-13 | 104.114.3.42 (ClassC) |
| 2019-11-13 | 23.56.169.34 (ClassC) |
| 2020-12-14 | 23.197.192.210 (ClassC) |
| 2021-01-19 | 104.96.200.184 (ClassC) |
| 2023-11-02 | 104.96.163.207 (ClassC) |
| 2024-07-31 | 23.46.17.8 (ClassC) |
| 2024-10-04 | 23.46.17.16 (ClassC) |
| 2024-11-24 | 23.46.17.64 (ClassC) |
| 2024-12-12 | 23.46.228.167 (ClassC) |
| 2025-04-13 | 23.46.228.170 (ClassC) |
| 2025-06-05 | 23.216.147.208 (ClassC) |
| Date | Domain | IP |
| froid.viessmann.be | 2024-09-21 | 52.58.125.54 |
| aanbod.viessmann.be | 2024-07-31 | 23.46.17.16 |
| offre.viessmann.be | 2024-11-24 | 23.46.17.43 |
| koelen.viessmann.be | 2024-06-11 | 18.198.234.198 |
| t.viessmann.be | 2024-12-12 | 34.111.102.177 |
| www.viessmann.be | 2023-11-02 | 104.96.163.207 |