IP List distribution John Drury Clark, Isaac Asimov - foreward - Ignition! An Informal History of Liquid Rocket Propellants, total 3
| IP | Country | City | ISP |
|---|---|---|---|
| 143.244.54.22 | United States | Leawood | YRC |
| 191.96.37.162 | United States | San Diego | Digital Energy Technologies Chile SpA |
| 38.43.8.196 | United States | Cogent Communications |