| Date | IP Address |
| 2019-09-18 | 54.77.114.145 (ClassC) |
| 2024-07-18 | 104.16.77.72 (ClassC) |
| 2024-10-02 | 104.16.78.72 (ClassC) |
| 2025-03-03 | 104.18.10.139 (ClassC) |
| 2025-08-08 | 104.18.11.139 (ClassC) |
| Date | Domain | IP |
| bc.ef.com.vn | 2024-10-02 | 18.161.6.129 |
| www.ef.com.vn | 2024-10-02 | 104.16.78.72 |