72.172.13 is a class C of IPs

Sample IPs from the class C 72.172.13

72.172.13.97	View precise location of 72.172.13.97 on the map!
72.172.13.242	View precise location of 72.172.13.242 on the map!
72.172.13.203	View precise location of 72.172.13.203 on the map!
72.172.13.5	View precise location of 72.172.13.5 on the map!
72.172.13.152	View precise location of 72.172.13.152 on the map!
72.172.13.169	View precise location of 72.172.13.169 on the map!
72.172.13.166	View precise location of 72.172.13.166 on the map!
72.172.13.48	View precise location of 72.172.13.48 on the map!
72.172.13.87	View precise location of 72.172.13.87 on the map!
72.172.13.94	View precise location of 72.172.13.94 on the map!
72.172.13.53	View precise location of 72.172.13.53 on the map!

10 Random IPs

248.178.255.157	Find precise map location of 248.178.255.157
56.42.59.120	Find precise map location of 56.42.59.120
8.210.177.186	Find precise map location of 8.210.177.186
189.46.47.25	Find precise map location of 189.46.47.25
29.83.233.85	Find precise map location of 29.83.233.85
227.50.242.73	Find precise map location of 227.50.242.73
82.207.111.156	Find precise map location of 82.207.111.156
254.121.208.63	Find precise map location of 254.121.208.63
34.24.10.109	Find precise map location of 34.24.10.109
205.198.17.241	Find precise map location of 205.198.17.241
84.134.65.169	Find precise map location of 84.134.65.169

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