15.201 is a class B of IPs

Sample IPs from the class B 15.201

15.201.240.47	View precise location of 15.201.240.47 on the map!
15.201.121.46	View precise location of 15.201.121.46 on the map!
15.201.132.172	View precise location of 15.201.132.172 on the map!
15.201.70.156	View precise location of 15.201.70.156 on the map!
15.201.221.82	View precise location of 15.201.221.82 on the map!
15.201.172.157	View precise location of 15.201.172.157 on the map!
15.201.205.89	View precise location of 15.201.205.89 on the map!
15.201.112.126	View precise location of 15.201.112.126 on the map!
15.201.194.172	View precise location of 15.201.194.172 on the map!
15.201.178.183	View precise location of 15.201.178.183 on the map!
15.201.181.89	View precise location of 15.201.181.89 on the map!

10 Random IPs

108.233.76.112	Find precise map location of 108.233.76.112
53.65.172.188	Find precise map location of 53.65.172.188
174.31.133.242	Find precise map location of 174.31.133.242
193.72.108.33	Find precise map location of 193.72.108.33
171.183.126.179	Find precise map location of 171.183.126.179
143.190.23.106	Find precise map location of 143.190.23.106
88.208.109.55	Find precise map location of 88.208.109.55
18.61.52.46	Find precise map location of 18.61.52.46
2.87.17.2	Find precise map location of 2.87.17.2
155.106.232.88	Find precise map location of 155.106.232.88
171.170.18.214	Find precise map location of 171.170.18.214

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