15.103.3 is a class C of IPs

Sample IPs from the class C 15.103.3

15.103.3.167	View precise location of 15.103.3.167 on the map!
15.103.3.170	View precise location of 15.103.3.170 on the map!
15.103.3.244	View precise location of 15.103.3.244 on the map!
15.103.3.180	View precise location of 15.103.3.180 on the map!
15.103.3.243	View precise location of 15.103.3.243 on the map!
15.103.3.100	View precise location of 15.103.3.100 on the map!
15.103.3.167	View precise location of 15.103.3.167 on the map!
15.103.3.213	View precise location of 15.103.3.213 on the map!
15.103.3.164	View precise location of 15.103.3.164 on the map!
15.103.3.116	View precise location of 15.103.3.116 on the map!
15.103.3.217	View precise location of 15.103.3.217 on the map!

10 Random IPs

63.250.28.109	Find precise map location of 63.250.28.109
223.202.218.129	Find precise map location of 223.202.218.129
30.206.144.179	Find precise map location of 30.206.144.179
185.22.55.121	Find precise map location of 185.22.55.121
6.6.62.187	Find precise map location of 6.6.62.187
236.206.166.159	Find precise map location of 236.206.166.159
178.189.106.162	Find precise map location of 178.189.106.162
220.31.182.136	Find precise map location of 220.31.182.136
144.151.237.2	Find precise map location of 144.151.237.2
6.73.31.213	Find precise map location of 6.73.31.213
157.164.109.191	Find precise map location of 157.164.109.191

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