| Date | IP Address |
| 2019-08-31 | 23.10.240.40 (ClassC) |
| 2024-03-13 | 104.112.160.106 (ClassC) |
| 2024-09-21 | 23.196.202.94 (ClassC) |
| 2024-12-14 | 23.44.249.251 (ClassC) |
| 2025-05-04 | 104.90.249.38 (ClassC) |
| Date | Domain | IP |
| receipthub.hrblock.com.au | 2025-05-02 | 199.36.158.100 |
| image.e.hrblock.com.au | 2024-03-13 | 104.112.160.106 |
| www.hrblock.com.au | 2023-11-01 | 13.238.49.197 |