72.211.83 is a class C of IPs

Sample IPs from the class C 72.211.83

72.211.83.243	View precise location of 72.211.83.243 on the map!
72.211.83.133	View precise location of 72.211.83.133 on the map!
72.211.83.53	View precise location of 72.211.83.53 on the map!
72.211.83.196	View precise location of 72.211.83.196 on the map!
72.211.83.239	View precise location of 72.211.83.239 on the map!
72.211.83.173	View precise location of 72.211.83.173 on the map!
72.211.83.196	View precise location of 72.211.83.196 on the map!
72.211.83.41	View precise location of 72.211.83.41 on the map!
72.211.83.70	View precise location of 72.211.83.70 on the map!
72.211.83.117	View precise location of 72.211.83.117 on the map!
72.211.83.127	View precise location of 72.211.83.127 on the map!

10 Random IPs

173.1.187.222	Find precise map location of 173.1.187.222
94.173.92.177	Find precise map location of 94.173.92.177
211.43.144.77	Find precise map location of 211.43.144.77
218.171.108.109	Find precise map location of 218.171.108.109
107.229.232.35	Find precise map location of 107.229.232.35
206.214.76.218	Find precise map location of 206.214.76.218
65.96.221.190	Find precise map location of 65.96.221.190
120.184.131.172	Find precise map location of 120.184.131.172
55.37.225.74	Find precise map location of 55.37.225.74
209.214.5.14	Find precise map location of 209.214.5.14
109.153.185.35	Find precise map location of 109.153.185.35

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