IP List distribution Efstathios-Al T. Hydrogen for Future Thermal Engines 2023, total 6
| IP | Country | City | ISP |
|---|---|---|---|
| 143.105.209.42 | United States | Cleveland | John Carroll university |
| 188.241.177.181 | Romania | Pixel View SRL | |
| 200.68.162.70 | Mexico | Mexico City | Telcel |
| 31.184.89.52 | Netherlands | Tele2 Nederland | |
| 46.217.95.75 | Macedonia | Kicevo | Makedonski Telekom AD-Skopje |
| 83.136.182.141 | Serbia | DediPath, LLC |