| Date | IP Address |
| 2024-07-18 | 23.215.11.197 (ClassC) |
| 2025-02-07 | 23.64.119.178 (ClassC) |
| 2026-02-06 | 23.46.228.171 (ClassC) |
| Date | Domain | IP |
| www3.vanguard.com.au | 2024-11-24 | 99.84.66.118 |
| auth.vanguard.com.au | 2026-01-09 | 35.71.156.117 |
| sandbox-auth.vanguard.com.au | 2025-08-31 | 13.248.244.122 |
| institutional.vanguard.com.au | 2026-02-06 | 23.46.228.171 |
| adviser.vanguard.com.au | 2025-11-01 | 23.46.17.55 |
| dev-idadv.vanguard.com.au | 2025-05-14 | 76.223.106.8 |
| www.vanguard.com.au | 2024-06-28 | 99.84.66.118 |
| identity.vanguard.com.au | 2025-03-15 | 52.223.1.182 |
| lab-identity.vanguard.com.au | 2025-09-15 | 13.248.244.122 |
| prf-identity.vanguard.com.au | 2025-08-18 | 13.248.236.251 |
| sat-identity.vanguard.com.au | 2025-10-13 | 76.223.106.8 |
| dev-identity.vanguard.com.au | 2025-03-15 | 76.223.106.8 |