| Date | IP Address |
| 2022-06-15 | 34.198.149.48 (ClassC) |
| 2023-08-26 | 174.129.29.130 (ClassC) |
| 2024-04-22 | 44.209.156.52 (ClassC) |
| 2024-05-25 | 184.73.212.211 (ClassC) |
| 2026-02-07 | 23.185.0.2 (ClassC) |
| Date | Domain | IP |
| aca.tangohealth.com | 2024-11-10 | 35.175.69.33 |
| hsa.tangohealth.com | 2025-09-12 | 104.18.38.62 |
| blog.tangohealth.com | 2026-01-15 | 23.185.0.2 |
| plan.tangohealth.com | 2024-11-24 | 3.230.70.92 |
| decision.tangohealth.com | 2024-11-24 | 3.230.70.92 |
| tso.tangohealth.com | 2026-01-15 | 23.185.0.2 |
| lp.tangohealth.com | 2025-10-07 | 23.185.0.2 |
| support.tangohealth.com | 2025-08-01 | 216.198.53.2 |
| www.tangohealth.com | 2026-01-15 | 23.185.0.2 |