IP List distribution C Primer Plus 6th Edition, total 4
| IP | Country | City | ISP |
|---|---|---|---|
| 116.140.172.170 | China | Chaoyang | China Unicom Liaoning |
| 121.224.162.56 | China | Zhangjiagang | China Telecom |
| 180.113.20.50 | China | Nanjing | China Telecom |
| 180.164.128.129 | China | Shanghai | China Telecom Shanghai |