| Date | IP Address |
| 2017-08-28 | 184.31.196.34 (ClassC) |
| 2018-04-28 | 104.91.192.158 (ClassC) |
| 2018-08-27 | 23.4.99.176 (ClassC) |
| 2019-11-13 | 23.56.169.34 (ClassC) |
| 2020-09-12 | 23.197.192.146 (ClassC) |
| 2020-09-12 | 23.197.192.210 (ClassC) |
| 2021-02-22 | 23.48.210.73 (ClassC) |
| 2022-11-25 | 2.22.144.161 (ClassC) |
| 2023-02-26 | 184.30.150.206 (ClassC) |
| 2023-11-02 | 23.38.191.56 (ClassC) |
| 2024-02-23 | 23.192.230.68 (ClassC) |
| 2024-02-26 | 104.96.163.202 (ClassC) |
| 2024-03-03 | 23.46.17.16 (ClassC) |
| 2024-03-08 | 104.96.163.207 (ClassC) |
| 2024-03-24 | 23.216.149.147 (ClassC) |
| 2024-10-01 | 23.46.17.26 (ClassC) |
| 2024-11-24 | 23.46.17.64 (ClassC) |
| 2024-12-12 | 23.54.19.136 (ClassC) |
| 2025-01-12 | 23.46.228.167 (ClassC) |
| 2025-04-06 | 23.202.47.83 (ClassC) |
| 2025-04-21 | 23.46.228.170 (ClassC) |
| 2025-07-17 | 23.216.147.208 (ClassC) |
| 2026-02-07 | 23.216.147.209 (ClassC) |
| Date | Domain | IP |
| crocetta.viessmann.it | 2024-11-21 | 3.163.24.126 |
| refrigerazione.viessmann.it | 2024-09-21 | 52.58.125.54 |
| t.viessmann.it | 2025-05-07 | 34.117.100.94 |
| www.viessmann.it | 2023-11-02 | 23.38.191.56 |