72.173.138 is a class C of IPs

Sample IPs from the class C 72.173.138

72.173.138.2	View precise location of 72.173.138.2 on the map!
72.173.138.139	View precise location of 72.173.138.139 on the map!
72.173.138.17	View precise location of 72.173.138.17 on the map!
72.173.138.222	View precise location of 72.173.138.222 on the map!
72.173.138.209	View precise location of 72.173.138.209 on the map!
72.173.138.51	View precise location of 72.173.138.51 on the map!
72.173.138.59	View precise location of 72.173.138.59 on the map!
72.173.138.51	View precise location of 72.173.138.51 on the map!
72.173.138.98	View precise location of 72.173.138.98 on the map!
72.173.138.164	View precise location of 72.173.138.164 on the map!
72.173.138.121	View precise location of 72.173.138.121 on the map!

10 Random IPs

114.50.100.192	Find precise map location of 114.50.100.192
142.174.182.174	Find precise map location of 142.174.182.174
96.140.1.151	Find precise map location of 96.140.1.151
16.242.236.127	Find precise map location of 16.242.236.127
206.161.220.202	Find precise map location of 206.161.220.202
246.59.163.111	Find precise map location of 246.59.163.111
135.236.192.123	Find precise map location of 135.236.192.123
134.225.217.105	Find precise map location of 134.225.217.105
11.46.9.162	Find precise map location of 11.46.9.162
202.86.91.72	Find precise map location of 202.86.91.72
211.114.186.79	Find precise map location of 211.114.186.79

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