| IP: | 129.19.16.181 |
| Country: | United States (US) |
| Region: | CO |
| City: | Boulder |
| Latitude: | 40.0878 |
| Longitude: | -105.3735 |
| Zip code: | 80309 |
| Area code: | 303 |
| Reverse DNS: | 129.19.16.181 |
| Class A: | 129 |
| Class B: | 129.19 |
| Class C: | 129.19.16 |
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