| IP: | 221.20.121.154 |
| Country: | Japan (JP) |
| Region: | 24 |
| City: | Sendai |
| Latitude: | 38.2547 |
| Longitude: | 140.8847 |
| Reverse DNS: | softbank221020121154.bbtec.net |
| Class A: | 221 |
| Class B: | 221.20 |
| Class C: | 221.20.121 |
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