| Date | IP Address |
| 2017-11-19 | 52.8.195.0 (ClassC) |
| 2023-08-25 | 23.196.196.98 (ClassC) |
| 2023-11-02 | 23.6.254.67 (ClassC) |
| 2024-05-14 | 23.37.215.203 (ClassC) |
| 2024-06-26 | 2.19.135.26 (ClassC) |
| 2024-07-22 | 23.196.156.87 (ClassC) |
| 2024-07-30 | 104.104.7.20 (ClassC) |
| 2024-11-24 | 23.41.4.70 (ClassC) |
| 2025-04-08 | 23.41.4.72 (ClassC) |
| Date | Domain | IP |
| www.holdingtest.feltrinelli.it | 2024-07-08 | 3.33.139.32 |
| www.feltrinelli.it | 2023-08-25 | 23.196.196.98 |