| Date | IP Address |
| 2019-11-04 | 40.126.0.70 (ClassC) |
| 2019-11-25 | 20.190.133.75 (ClassC) |
| 2019-12-13 | 40.126.6.3 (ClassC) |
| 2020-01-17 | 40.126.7.103 (ClassC) |
| 2020-01-27 | 40.126.7.97 (ClassC) |
| 2026-02-23 | 13.107.226.70 (ClassC) |
| Date | Domain | IP |
| nonprod.ecsn.gov.au | 2025-09-17 | 165.12.220.25 |
| auth.ecsn.gov.au | 2026-02-23 | 13.107.226.70 |
| essapi.ecsn.gov.au | 2025-01-28 | 13.72.226.253 |
| portal.essapi.ecsn.gov.au | 2025-05-27 | 13.72.226.253 |
| devportal.essapi.ecsn.gov.au | 2025-05-29 | 13.72.226.253 |
| testessapi.ecsn.gov.au | 2024-10-27 | 20.188.227.204 |
| clink.ecsn.gov.au | 2025-05-28 | 165.12.220.128 |
| www.ecsn.gov.au | 2025-09-07 | 165.12.220.47 |
| apigateway.ecsn.gov.au | 2025-05-24 | 165.12.220.23 |