| Date | IP Address |
| 2022-02-08 | 54.192.73.35 (ClassC) |
| 2022-02-08 | 54.192.73.5 (ClassC) |
| 2025-03-21 | 3.163.165.37 (ClassC) |
| 2025-06-01 | 3.163.165.15 (ClassC) |
| 2025-07-04 | 204.246.191.53 (ClassC) |
| 2025-07-31 | 204.246.191.100 (ClassC) |
| Date | Domain | IP |
| myhdf5.hdfgroup.org | 2025-02-06 | 13.52.115.166 |
| docs.hdfgroup.org | 2024-08-06 | 99.84.66.7 |
| dbkt.hdfgroup.org | 2025-03-21 | 3.163.165.37 |
| support.hdfgroup.org | 2025-02-06 | 204.246.191.56 |
| www.hdfgroup.org | 2024-07-04 | 162.214.184.54 |