IP List distribution Fundamentals of Electric Circuits, 5th Edition, total 4
| IP | Country | City | ISP |
|---|---|---|---|
| 185.92.219.10 | Czechia | OptiKabel Telecom Sp. z o.o. | |
| 211.41.115.92 | Republic of Korea | Incheon | SK Broadband |
| 212.56.53.70 | United Kingdom | Hereford | Kcom |
| 51.159.55.140 | United Kingdom | ONLINE SAS |