| Date | IP Address |
| 2017-09-19 | 184.31.196.34 (ClassC) |
| 2018-02-27 | 104.91.192.158 (ClassC) |
| 2019-11-28 | 23.56.169.34 (ClassC) |
| 2022-07-12 | 23.38.191.10 (ClassC) |
| 2024-10-18 | 23.46.17.16 (ClassC) |
| 2024-10-21 | 23.45.235.129 (ClassC) |
| 2024-11-19 | 104.70.127.45 (ClassC) |
| 2024-11-24 | 23.46.17.64 (ClassC) |
| 2025-04-17 | 23.46.228.170 (ClassC) |
| 2025-07-18 | 23.55.167.33 (ClassC) |
| 2026-02-05 | 23.216.147.208 (ClassC) |
| Date | Domain | IP |
| public-sample.viessmann.ca | 2024-11-25 | 23.54.19.136 |
| offer.viessmann.ca | 2024-12-12 | 23.54.19.201 |
| t.viessmann.ca | 2025-05-11 | 34.111.102.177 |
| www.viessmann.ca | 2024-10-18 | 23.46.17.16 |