72.157.129 is a class C of IPs

Sample IPs from the class C 72.157.129

72.157.129.135	View precise location of 72.157.129.135 on the map!
72.157.129.145	View precise location of 72.157.129.145 on the map!
72.157.129.107	View precise location of 72.157.129.107 on the map!
72.157.129.221	View precise location of 72.157.129.221 on the map!
72.157.129.142	View precise location of 72.157.129.142 on the map!
72.157.129.198	View precise location of 72.157.129.198 on the map!
72.157.129.233	View precise location of 72.157.129.233 on the map!
72.157.129.152	View precise location of 72.157.129.152 on the map!
72.157.129.124	View precise location of 72.157.129.124 on the map!
72.157.129.47	View precise location of 72.157.129.47 on the map!
72.157.129.49	View precise location of 72.157.129.49 on the map!

10 Random IPs

82.50.24.197	Find precise map location of 82.50.24.197
245.149.196.20	Find precise map location of 245.149.196.20
134.12.119.31	Find precise map location of 134.12.119.31
100.214.9.81	Find precise map location of 100.214.9.81
45.156.186.116	Find precise map location of 45.156.186.116
253.171.107.181	Find precise map location of 253.171.107.181
161.89.100.111	Find precise map location of 161.89.100.111
238.4.141.57	Find precise map location of 238.4.141.57
37.64.158.142	Find precise map location of 37.64.158.142
168.212.254.146	Find precise map location of 168.212.254.146
198.102.159.158	Find precise map location of 198.102.159.158

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