| Date | IP Address |
| 2023-11-28 | 23.48.104.72 (ClassC) |
| 2025-01-17 | 23.41.4.86 (ClassC) |
| 2025-01-25 | 23.59.88.200 (ClassC) |
| 2025-10-10 | 23.41.4.76 (ClassC) |
| 2025-12-12 | 23.222.17.236 (ClassC) |
| 2026-01-24 | 23.41.4.69 (ClassC) |
| Date | Domain | IP |
| sicportal.auscheck.gov.au | 2025-10-10 | 164.97.249.175 |
| www.auscheck.gov.au | 2025-01-17 | 23.41.4.86 |