| Date | IP Address |
| 2020-09-20 | 13.249.95.58 (ClassC) |
| 2020-09-20 | 52.85.224.116 (ClassC) |
| 2021-06-25 | 65.8.48.58 (ClassC) |
| 2021-06-25 | 65.8.48.87 (ClassC) |
| 2021-12-29 | 65.8.56.102 (ClassC) |
| 2021-12-29 | 65.8.56.117 (ClassC) |
| 2022-12-24 | 18.160.225.125 (ClassC) |
| 2025-01-01 | 3.163.24.34 (ClassC) |
| 2025-02-04 | 3.163.24.112 (ClassC) |
| 2025-04-19 | 3.165.160.105 (ClassC) |
| 2025-08-17 | 3.175.34.102 (ClassC) |
| 2025-08-29 | 3.175.34.81 (ClassC) |
| 2026-02-18 | 3.169.173.58 (ClassC) |
| Date | Domain | IP |
| app-qa.prefixhealth.com | 2024-06-24 | 204.246.191.86 |
| app.prefixhealth.com | 2025-01-01 | 3.163.24.34 |
| www.prefixhealth.com | 2026-02-03 | 34.149.87.45 |
| phoenix.prefixhealth.com | 2025-11-08 | 3.169.173.57 |