| Date | IP Address |
| 2024-11-04 | 23.215.55.65 (ClassC) |
| 2025-09-04 | 23.192.230.154 (ClassC) |
| 2025-10-04 | 23.192.230.149 (ClassC) |
| Date | Domain | IP |
| es.dev1.medicare.gov | 2025-08-02 | 23.192.230.137 |
| imp2.medicare.gov | 2024-11-19 | 23.192.230.137 |
| imp3.medicare.gov | 2025-04-13 | 23.192.230.137 |
| data.medicare.gov | 2024-12-26 | 23.54.32.195 |
| plan-finder.data.medicare.gov | 2025-01-04 | 23.54.32.195 |
| load.medicare.gov | 2024-11-19 | 23.54.32.195 |
| frontend.medicare.gov | 2024-11-24 | 23.54.32.195 |
| tealium-visitor-service.medicare.gov | 2025-09-03 | 23.192.230.149 |
| testoffcycle.medicare.gov | 2024-10-28 | 23.54.19.91 |
| search.medicare.gov | 2024-11-25 | 107.23.146.145 |
| api.medicare.gov | 2024-11-24 | 23.54.32.195 |
| bsi.medicare.gov | 2024-06-03 | 23.201.22.173 |
| go.medicare.gov | 2025-07-06 | 67.199.248.13 |
| adobe-ep.medicare.gov | 2023-08-15 | 63.140.36.130 |
| imp.medicare.gov | 2025-07-06 | 23.192.230.149 |
| es.medicare.gov | 2024-11-24 | 23.54.32.195 |
| tealium-tags.medicare.gov | 2025-09-04 | 23.192.230.154 |
| questions.medicare.gov | 2024-12-26 | 23.54.32.195 |
| edit.medicare.gov | 2024-11-24 | 23.54.32.195 |
| imp2.edit.medicare.gov | 2024-07-13 | 23.55.167.16 |
| imp3.edit.medicare.gov | 2025-04-06 | 23.192.230.155 |
| data.test.medicare.gov | 2024-07-11 | 23.44.175.145 |
| www.medicare.gov | 2024-08-10 | 104.86.94.204 |
| my.medicare.gov | 2024-06-07 | 23.54.32.195 |