IP location for 128.17.21.46 is Cambridge, United States

IP:	128.17.21.46
Country:	United States (US)
Region:	MA
City:	Cambridge
Latitude:	42.3741
Longitude:	-71.1072
Zip code:	02238
Area code:	617
Reverse DNS:	rm46.mta.exacttarget.com

IP information

Class A:	128
Class B:	128.17
Class C:	128.17.21

10 Random IPs

86.213.144.85	Find precise map location of 86.213.144.85
72.204.66.218	Find precise map location of 72.204.66.218
109.38.51.48	Find precise map location of 109.38.51.48
188.244.149.16	Find precise map location of 188.244.149.16
133.197.22.182	Find precise map location of 133.197.22.182
237.91.116.103	Find precise map location of 237.91.116.103
243.250.100.147	Find precise map location of 243.250.100.147
107.150.49.243	Find precise map location of 107.150.49.243
223.105.66.221	Find precise map location of 223.105.66.221
106.43.183.235	Find precise map location of 106.43.183.235
59.119.5.27	Find precise map location of 59.119.5.27

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.