| Date | IP Address |
| 2021-06-09 | 143.204.166.13 (ClassC) |
| 2021-06-09 | 65.8.227.30 (ClassC) |
| 2024-10-10 | 3.165.160.65 (ClassC) |
| 2025-01-17 | 3.165.160.93 (ClassC) |
| Date | Domain | IP |
| oncprojectracking.healthit.gov | 2024-11-15 | 54.86.156.245 |
| files.healthit.gov | 2024-10-10 | 3.165.160.65 |
| www.healthit.gov | 2019-08-06 | 54.243.246.149 |