IP location for 128.138.221.231 is Boulder, United States

IP:	128.138.221.231
Country:	United States (US)
Region:	CO
City:	Boulder
Latitude:	40.0878
Longitude:	-105.3735
Zip code:	80309
Area code:	303
Reverse DNS:	cu-atlas-128.138.221.231.colorado.edu

IP information

Class A:	128
Class B:	128.138
Class C:	128.138.221

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