| Date | IP Address |
| 2023-08-23 | 34.213.106.51 (ClassC) |
| 2023-08-26 | 54.68.182.72 (ClassC) |
| 2024-06-21 | 172.64.150.252 (ClassC) |
| 2024-07-22 | 104.18.37.4 (ClassC) |
| 2024-08-09 | 104.18.27.233 (ClassC) |
| 2025-07-20 | 104.18.40.149 (ClassC) |
| 2026-01-28 | 172.64.147.107 (ClassC) |
| Date | Domain | IP |
| oscar-scheduling.signifyhealth.com | 2024-07-22 | 104.18.37.4 |
| login.signifyhealth.com | 2025-07-13 | 15.197.151.86 |
| apps.signifyhealth.com | 2025-04-04 | 15.197.181.212 |
| access.signifyhealth.com | 2024-06-27 | 104.18.37.4 |