| IP: | 128.220.213.21 |
| Country: | United States (US) |
| Region: | MD |
| City: | Baltimore |
| Latitude: | 39.3288 |
| Longitude: | -76.5967 |
| Zip code: | 21218 |
| Area code: | 410 |
| Reverse DNS: | diderot.fre.jhu.edu |
| Class A: | 128 |
| Class B: | 128.220 |
| Class C: | 128.220.213 |
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