| Date | IP Address |
| 2021-05-20 | 52.198.189.100 (ClassC) |
| 2026-01-29 | 104.21.74.98 (ClassC) |
| Date | Domain | IP |
| server1.ocsi.org | 2026-01-29 | 172.67.201.195 |
| ns2.ocsi.org | 2026-01-29 | 172.67.201.195 |
| mx2.ocsi.org | 2026-01-29 | 172.67.201.195 |
| mail6.ocsi.org | 2026-01-29 | 104.21.74.98 |
| mail.comune.ocsi.org | 2025-12-27 | 104.21.74.98 |
| smtp.ocsi.org | 2026-01-29 | 172.67.201.195 |
| host.ocsi.org | 2026-01-29 | 104.21.74.98 |