IP List distribution Teaching English as a Second or Foreign Language, 4th Edition (National Geographic Learning), total 2
| IP | Country | City | ISP |
|---|---|---|---|
| 116.237.145.14 | China | Shanghai | China Telecom Shanghai |
| 61.170.147.90 | China | Shanghai | China Telecom |
| IP | Country | City | ISP |
|---|---|---|---|
| 116.237.145.14 | China | Shanghai | China Telecom Shanghai |
| 61.170.147.90 | China | Shanghai | China Telecom |