IP List distribution The Ultimate Chess Puzzle Book, total 2
| IP | Country | City | ISP |
|---|---|---|---|
| 149.40.192.181 | United States | Cogent Communications | |
| 172.103.89.75 | United States | Dallas | Junet AB |
| IP | Country | City | ISP |
|---|---|---|---|
| 149.40.192.181 | United States | Cogent Communications | |
| 172.103.89.75 | United States | Dallas | Junet AB |