| Date | IP Address |
| 2024-07-26 | 2.16.6.30 (ClassC) |
| 2025-08-22 | 92.123.238.26 (ClassC) |
| 2025-08-28 | 2.21.134.81 (ClassC) |
| 2025-09-05 | 2.19.176.201 (ClassC) |
| 2025-09-11 | 2.19.176.216 (ClassC) |
| 2025-11-30 | 92.122.219.16 (ClassC) |
| 2026-02-19 | 95.100.98.129 (ClassC) |
| Date | Domain | IP |
| pnri-stage.firmereferendum.giustizia.it | 2024-12-24 | 95.100.98.27 |
| pnri.firmereferendum.giustizia.it | 2025-11-30 | 88.221.83.225 |
| www.firmereferendum.giustizia.it | 2025-08-22 | 92.123.238.26 |