| IP: | 4.21.170.71 |
| Country: | United States (US) |
| Region: | MA |
| City: | Boston |
| Latitude: | 42.3424 |
| Longitude: | -71.0878 |
| Zip code: | 02115 |
| Area code: | 617 |
| Reverse DNS: | 4.21.170.71 |
| Class A: | 4 |
| Class B: | 4.21 |
| Class C: | 4.21.170 |
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