13.221.160 is a class C of IPs

Sample IPs from the class C 13.221.160

13.221.160.120	View precise location of 13.221.160.120 on the map!
13.221.160.92	View precise location of 13.221.160.92 on the map!
13.221.160.16	View precise location of 13.221.160.16 on the map!
13.221.160.99	View precise location of 13.221.160.99 on the map!
13.221.160.114	View precise location of 13.221.160.114 on the map!
13.221.160.57	View precise location of 13.221.160.57 on the map!
13.221.160.137	View precise location of 13.221.160.137 on the map!
13.221.160.125	View precise location of 13.221.160.125 on the map!
13.221.160.16	View precise location of 13.221.160.16 on the map!
13.221.160.122	View precise location of 13.221.160.122 on the map!
13.221.160.227	View precise location of 13.221.160.227 on the map!

10 Random IPs

33.92.234.187	Find precise map location of 33.92.234.187
166.152.88.240	Find precise map location of 166.152.88.240
94.85.207.122	Find precise map location of 94.85.207.122
183.250.50.172	Find precise map location of 183.250.50.172
233.166.243.38	Find precise map location of 233.166.243.38
236.222.90.44	Find precise map location of 236.222.90.44
86.14.201.159	Find precise map location of 86.14.201.159
218.180.43.94	Find precise map location of 218.180.43.94
86.90.40.73	Find precise map location of 86.90.40.73
137.46.144.108	Find precise map location of 137.46.144.108
224.119.113.187	Find precise map location of 224.119.113.187

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