IP List distribution Practice Makes Perfect German Problem Solver - With 130 Exercises, total 3
| IP | Country | City | ISP |
|---|---|---|---|
| 23.124.55.4 | United States | Port Huron | AT&T U-verse |
| 38.53.129.12 | United States | Cogent Communications | |
| 65.108.32.159 | United States | Andover | Alabanza |