| IP: | 221.21.16.1 |
| Country: | Japan (JP) |
| Region: | 40 |
| City: | Tokyo |
| Latitude: | 35.685 |
| Longitude: | 139.7514 |
| Reverse DNS: | softbank221021016001.bbtec.net |
| Class A: | 221 |
| Class B: | 221.21 |
| Class C: | 221.21.16 |
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