| Date | IP Address |
| 2021-02-18 | 3.82.67.122 (ClassC) |
| 2025-05-22 | 54.210.187.201 (ClassC) |
| 2025-06-28 | 184.72.134.216 (ClassC) |
| 2025-08-19 | 54.236.237.161 (ClassC) |
| 2025-09-06 | 54.225.164.84 (ClassC) |
| 2026-01-29 | 52.55.148.206 (ClassC) |
| Date | Domain | IP |
| current.phi.prospector.optum.com | 2025-03-26 | 34.192.152.172 |
| www.phi.prospector.optum.com | 2024-10-29 | 52.205.232.127 |
| current.nophi.prospector.optum.com | 2025-05-22 | 54.210.187.201 |
| www.nophi.prospector.optum.com | 2025-05-21 | 54.210.187.201 |