IP List distribution The Physics Book - From the Big Bang to Quantum Resurrection, 250 Milestones in the History, total 7
| IP | Country | City | ISP |
|---|---|---|---|
| 121.129.61.197 | Republic of Korea | Seoul | Korea Telecom |
| 152.59.30.100 | Singapore | Singapore | Jio |
| 152.59.30.113 | Singapore | Singapore | Jio |
| 152.59.30.75 | Singapore | Singapore | Jio |
| 173.239.254.92 | United States | San Francisco | HIVELOCITY |
| 43.128.13.86 | Japan | Tokyo | Chiyoda-ku |
| 49.185.208.27 | Australia | Melbourne | Optus |