| Date | IP Address |
| 2026-01-17 | 20.40.190.110 (ClassC) |
| Date | Domain | IP |
| preprod.authentication.business.gov.au | 2025-12-29 | 143.174.204.39 |
| cloud.preprod.authentication.business.gov.au | 2026-01-17 | 20.40.190.110 |
| cloud.devtest.authentication.business.gov.au | 2025-11-03 | 20.40.190.110 |
| thirdparty.authentication.business.gov.au | 2025-11-03 | 143.174.200.36 |
| cloud.thirdparty.authentication.business.gov.au | 2025-11-03 | 20.92.219.224 |