IP List distribution CAMBRIDGE IELTS (BOOK 1- 11), total 8
        | IP | Country | City | ISP | 
|---|---|---|---|
| 116.102.234.168 | Vietnam | Ho Chi Minh City | Viettel Group | 
| 118.68.19.36 | Vietnam | Ho Chi Minh City | FPT Telecom Company | 
| 123.20.213.146 | Vietnam | Ho Chi Minh City | VNPT | 
| 222.253.79.244 | Vietnam | Ho Chi Minh City | VNPT | 
| 27.71.69.198 | Vietnam | Hanoi | Viettel Group | 
| 27.78.66.148 | Vietnam | Hanoi | Viettel Group | 
| 42.114.200.17 | Vietnam | Hanoi | FPT Telecom Company | 
| 42.119.87.106 | Vietnam | Vũng Tàu | FPT Telecom Company |