| Date | Domain | IP |
| idde.inst.c1.vanguard.com | 2024-08-01 | 18.239.199.104 |
| institutional.inst.c1.vanguard.com | 2025-03-15 | 18.161.6.76 |
| logon.institutional.inst.c1.vanguard.com | 2025-03-19 | 99.84.66.72 |
| pelander.ecs.inst.c1.vanguard.com | 2024-07-31 | 18.161.6.116 |
| apps.ecs.inst.c1.vanguard.com | 2024-02-22 | 3.163.24.33 |
| pex.ecs.inst.c1.vanguard.com | 2025-03-22 | 18.161.6.83 |