| Date | IP Address |
| 2019-05-06 | 3.210.90.65 (ClassC) |
| 2024-08-28 | 172.64.153.235 (ClassC) |
| 2025-09-22 | 20.40.180.188 (ClassC) |
| Date | Domain | IP |
| apprentices.hia.com.au | 2025-04-28 | 104.18.34.21 |
| apprenticehosts.hia.com.au | 2024-08-28 | 172.64.153.235 |
| uat.hia.com.au | 2025-07-17 | 20.193.3.199 |
| test.hia.com.au | 2024-11-25 | 20.193.3.199 |
| dev.hia.com.au | 2024-11-25 | 20.40.180.188 |
| www.hia.com.au | 2025-03-25 | 20.40.180.188 |