| Date | IP Address |
| 2024-06-28 | 3.13.152.203 (ClassC) |
| 2024-12-12 | 3.22.142.86 (ClassC) |
| 2025-01-16 | 3.20.57.18 (ClassC) |
| 2025-02-21 | 18.117.18.240 (ClassC) |
| 2025-04-30 | 3.131.129.129 (ClassC) |
| 2025-05-10 | 3.132.235.77 (ClassC) |
| 2025-08-09 | 3.22.226.141 (ClassC) |
| Date | Domain | IP |
| cdasearch.hl7.org | 2024-12-16 | 13.248.244.96 |
| cimi.hl7.org | 2024-11-05 | 3.144.96.22 |
| cql.hl7.org | 2025-04-24 | 3.144.96.22 |
| fhir.hl7.org | 2024-12-12 | 3.22.142.86 |
| cds-hooks.hl7.org | 2025-04-30 | 3.144.96.22 |
| www.hl7.org | 2024-03-06 | 3.140.63.68 |