| Date | IP Address |
| 2014-03-31 | 216.34.181.97 (ClassC) |
| 2025-09-12 | 165.227.241.138 (ClassC) |
| 2026-02-23 | 172.67.72.42 (ClassC) |
| Date | Domain | IP |
| reg.open-emr.org | 2025-10-23 | 54.87.103.36 |
| cdn.open-emr.org | 2024-02-14 | 54.230.125.85 |
| edu.open-emr.org | 2025-05-30 | 34.213.130.93 |
| www.open-emr.org | 2014-03-31 | 216.34.181.97 |
| community.open-emr.org | 2025-11-14 | 34.195.243.105 |