| Date | IP Address |
| 2018-07-03 | 54.219.163.21 (ClassC) |
| 2018-07-03 | 54.219.160.30 (ClassC) |
| 2018-07-25 | 54.67.43.109 (ClassC) |
| 2018-07-28 | 54.193.42.198 (ClassC) |
| 2020-04-15 | 52.8.26.172 (ClassC) |
| 2026-02-24 | 3.33.139.32 (ClassC) |
| Date | Domain | IP |
| www.holdingtest.feltrinelli.it | 2025-09-18 | 3.33.139.32 |
| www.feltrinelli.it | 2023-08-25 | 23.196.196.98 |