IP List distribution Rise and Retreat of American Manufacturing by Vaclav Smil, total 5
| IP | Country | City | ISP |
|---|---|---|---|
| 111.33.78.5 | China | China Mobile Guangdong | |
| 117.131.219.46 | China | Tianjin | China Mobile Guangdong |
| 202.113.19.253 | China | Tianjin | China Education and Research Network Center |
| 221.238.245.1 | China | Tianjin | China Telecom TIANJIN |
| 60.29.153.43 | China | Tianjin | China Unicom Liaoning |