| Date | IP Address |
| 2025-07-13 | 15.197.151.86 (ClassC) |
| 2026-02-18 | 3.33.152.248 (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 |