72.231 is a class B of IPs

Sample IPs from the class B 72.231

72.231.217.17	View precise location of 72.231.217.17 on the map!
72.231.243.142	View precise location of 72.231.243.142 on the map!
72.231.79.215	View precise location of 72.231.79.215 on the map!
72.231.118.114	View precise location of 72.231.118.114 on the map!
72.231.77.2	View precise location of 72.231.77.2 on the map!
72.231.188.175	View precise location of 72.231.188.175 on the map!
72.231.120.238	View precise location of 72.231.120.238 on the map!
72.231.149.25	View precise location of 72.231.149.25 on the map!
72.231.106.249	View precise location of 72.231.106.249 on the map!
72.231.94.224	View precise location of 72.231.94.224 on the map!
72.231.9.205	View precise location of 72.231.9.205 on the map!

10 Random IPs

166.179.176.42	Find precise map location of 166.179.176.42
93.186.250.145	Find precise map location of 93.186.250.145
28.84.207.138	Find precise map location of 28.84.207.138
82.155.20.75	Find precise map location of 82.155.20.75
46.199.185.107	Find precise map location of 46.199.185.107
63.246.41.236	Find precise map location of 63.246.41.236
84.161.45.184	Find precise map location of 84.161.45.184
74.28.18.38	Find precise map location of 74.28.18.38
20.142.56.46	Find precise map location of 20.142.56.46
123.234.149.206	Find precise map location of 123.234.149.206
178.171.27.177	Find precise map location of 178.171.27.177

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