| Date | IP Address |
| 2023-07-20 | 23.221.22.101 (ClassC) |
| 2023-08-08 | 184.30.31.120 (ClassC) |
| 2024-11-25 | 23.54.19.171 (ClassC) |
| 2025-02-14 | 23.38.191.177 (ClassC) |
| 2025-06-25 | 34.240.38.15 (ClassC) |
| 2025-08-17 | 3.163.24.81 (ClassC) |
| 2026-03-02 | 3.163.24.62 (ClassC) |
| Date | Domain | IP |
| secure.vanguard.co.uk | 2025-06-25 | 18.161.6.90 |
| engsecure.vanguard.co.uk | 2025-03-15 | 3.163.165.89 |
| testsecure.vanguard.co.uk | 2025-05-16 | 204.246.191.121 |
| institutional.vanguard.co.uk | 2024-11-25 | 23.54.19.171 |
| www.institutional.vanguard.co.uk | 2024-11-25 | 104.70.127.28 |
| www.vanguard.co.uk | 2024-11-25 | 23.54.19.171 |
| engwww.vanguard.co.uk | 2024-09-04 | 23.46.17.27 |