IP location for 18.30.31.243 is Cambridge, United States

IP:	18.30.31.243
Country:	United States (US)
Region:	MA
City:	Cambridge
Latitude:	42.3646
Longitude:	-71.1028
Zip code:	02139
Area code:	617
Reverse DNS:	dhcp-18-30-31-243.dyn.mit.edu

IP information

Class A:	18
Class B:	18.30
Class C:	18.30.31

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