| IP: | 137.75.81.226 |
| Country: | United States (US) |
| Region: | CO |
| City: | Boulder |
| Latitude: | 39.9721 |
| Longitude: | -105.2493 |
| Zip code: | 80305 |
| Area code: | 303 |
| Reverse DNS: | 137.75.81.226 |
| Class A: | 137 |
| Class B: | 137.75 |
| Class C: | 137.75.81 |
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