13.105.159 is a class C of IPs

Sample IPs from the class C 13.105.159

13.105.159.143	View precise location of 13.105.159.143 on the map!
13.105.159.93	View precise location of 13.105.159.93 on the map!
13.105.159.197	View precise location of 13.105.159.197 on the map!
13.105.159.234	View precise location of 13.105.159.234 on the map!
13.105.159.16	View precise location of 13.105.159.16 on the map!
13.105.159.149	View precise location of 13.105.159.149 on the map!
13.105.159.23	View precise location of 13.105.159.23 on the map!
13.105.159.252	View precise location of 13.105.159.252 on the map!
13.105.159.184	View precise location of 13.105.159.184 on the map!
13.105.159.93	View precise location of 13.105.159.93 on the map!
13.105.159.172	View precise location of 13.105.159.172 on the map!

10 Random IPs

151.4.199.73	Find precise map location of 151.4.199.73
197.168.91.240	Find precise map location of 197.168.91.240
91.163.139.173	Find precise map location of 91.163.139.173
53.63.243.38	Find precise map location of 53.63.243.38
170.122.210.91	Find precise map location of 170.122.210.91
33.94.188.235	Find precise map location of 33.94.188.235
76.36.104.171	Find precise map location of 76.36.104.171
112.130.10.30	Find precise map location of 112.130.10.30
168.72.189.218	Find precise map location of 168.72.189.218
203.60.90.221	Find precise map location of 203.60.90.221
16.108.190.212	Find precise map location of 16.108.190.212

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