| Date | IP Address |
| 2015-06-25 | 173.194.72.121 (ClassC) |
| 2024-11-01 | 192.155.108.152 (ClassC) |
| 2024-11-15 | 192.155.108.154 (ClassC) |
| 2024-11-25 | 134.119.176.24 (ClassC) |
| 2025-03-10 | 192.155.108.153 (ClassC) |
| 2025-06-16 | 134.119.176.22 (ClassC) |
| 2025-09-19 | 192.155.108.155 (ClassC) |
| 2025-12-02 | 192.155.108.147 (ClassC) |
| 2026-01-17 | 134.119.176.25 (ClassC) |
| Date | Domain | IP |
| book.vnmath.com | 2015-06-11 | 173.194.72.121 |
| www.vnmath.com | 2015-04-01 | 173.194.72.121 |