| IP: | 72.5.21.52 |
| Country: | United States (US) |
| Region: | MA |
| City: | Boston |
| Latitude: | 42.3605 |
| Longitude: | -71.0548 |
| Zip code: | 02109 |
| Area code: | 617 |
| Reverse DNS: | 72.5.21.52 |
| Class A: | 72 |
| Class B: | 72.5 |
| Class C: | 72.5.21 |
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