| IP: | 221.243.87.121 |
| Country: | Japan (JP) |
| Region: | 40 |
| City: | Tokyo |
| Latitude: | 35.685 |
| Longitude: | 139.7514 |
| Reverse DNS: | 221x243x87x121.ap221.ftth.ucom.ne.jp |
| Class A: | 221 |
| Class B: | 221.243 |
| Class C: | 221.243.87 |
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