| Date | IP Address |
| 2015-11-14 | 37.59.30.78 (ClassC) |
| 2016-10-04 | 149.202.91.28 (ClassC) |
| 2017-12-20 | 145.239.1.25 (ClassC) |
| 2019-10-15 | 91.121.106.8 (ClassC) |
| 2020-07-26 | 34.252.164.243 (ClassC) |
| 2022-09-01 | 15.161.15.18 (ClassC) |
| 2026-03-02 | 185.81.1.60 (ClassC) |
| Date | Domain | IP |
| www.liceoumberto.it | 2017-12-20 | 145.239.1.25 |