| IP: | 131.112.73.20 |
| Country: | Japan (JP) |
| Region: | 40 |
| City: | Tokyo |
| Latitude: | 35.685 |
| Longitude: | 139.7514 |
| Reverse DNS: | ikarashi17.arch.titech.ac.jp |
| Class A: | 131 |
| Class B: | 131.112 |
| Class C: | 131.112.73 |
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