| Date | IP Address |
| 2018-06-14 | 205.185.195.133 (ClassC) |
| 2019-08-02 | 204.237.173.186 (ClassC) |
| 2019-08-02 | 204.237.173.193 (ClassC) |
| 2019-10-28 | 23.48.94.43 (ClassC) |
| 2019-11-13 | 23.56.169.34 (ClassC) |
| 2026-01-23 | 93.122.86.52 (ClassC) |
| Date | Domain | IP |
| cooling.viessmann.co.uk | 2025-11-20 | 3.120.95.145 |
| www.cooling.viessmann.co.uk | 2025-11-21 | 18.185.216.5 |
| cooling-campaign.viessmann.co.uk | 2025-11-20 | 18.185.216.5 |
| offer.viessmann.co.uk | 2024-11-25 | 23.54.19.136 |
| product-selector.viessmann.co.uk | 2024-11-24 | 23.46.17.43 |
| professionals.viessmann.co.uk | 2026-01-23 | 93.122.86.52 |
| t.viessmann.co.uk | 2025-05-13 | 34.111.102.177 |
| www.viessmann.co.uk | 2023-11-02 | 23.38.191.10 |