IP List distribution Basic Electronics - Theory and Practice, 4th Edition, total 4
| IP | Country | City | ISP |
|---|---|---|---|
| 111.199.104.218 | China | Beijing | China Unicom Beijing |
| 120.230.101.1 | China | China Mobile Guangdong | |
| 120.230.101.65 | China | China Mobile Guangdong | |
| 27.19.65.228 | China | Wuhan | China Telecom |