| IP: | 163.253.15.73 |
| Country: | United States (US) |
| Region: | DC |
| City: | Washington |
| Latitude: | 38.9068 |
| Longitude: | -77.0427 |
| Zip code: | 20036 |
| Area code: | 202 |
| Reverse DNS: | irb.200.smn-rtsw1.sacr.net.internet2.edu |
| Class A: | 163 |
| Class B: | 163.253 |
| Class C: | 163.253.15 |
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