| Date | IP Address |
| 2016-06-02 | 23.235.40.204 (ClassC) |
| 2019-08-04 | 151.101.65.209 (ClassC) |
| 2026-01-18 | 34.160.47.1 (ClassC) |
| Date | Domain | IP |
| cn.caleffi.com | 2025-09-03 | 34.160.47.1 |
| hydronicdesign.caleffi.com | 2025-09-03 | 195.72.197.4 |
| hydronicdesign-admin.caleffi.com | 2025-09-03 | 195.72.197.4 |
| es.caleffi.com | 2026-01-18 | 34.160.47.1 |
| xs.caleffi.com | 2025-07-21 | 195.72.197.4 |
| connect.caleffi.com | 2024-06-03 | 18.195.139.1 |
| www.caleffi.com | 2025-09-10 | 34.160.47.1 |