239.151.20 is a class C of IPs

Sample IPs from the class C 239.151.20

239.151.20.80	View precise location of 239.151.20.80 on the map!
239.151.20.106	View precise location of 239.151.20.106 on the map!
239.151.20.14	View precise location of 239.151.20.14 on the map!
239.151.20.104	View precise location of 239.151.20.104 on the map!
239.151.20.136	View precise location of 239.151.20.136 on the map!
239.151.20.199	View precise location of 239.151.20.199 on the map!
239.151.20.225	View precise location of 239.151.20.225 on the map!
239.151.20.226	View precise location of 239.151.20.226 on the map!
239.151.20.181	View precise location of 239.151.20.181 on the map!
239.151.20.220	View precise location of 239.151.20.220 on the map!
239.151.20.221	View precise location of 239.151.20.221 on the map!

10 Random IPs

176.162.212.111	Find precise map location of 176.162.212.111
221.60.214.187	Find precise map location of 221.60.214.187
74.247.12.195	Find precise map location of 74.247.12.195
126.67.84.169	Find precise map location of 126.67.84.169
151.34.228.237	Find precise map location of 151.34.228.237
23.131.71.98	Find precise map location of 23.131.71.98
56.111.187.54	Find precise map location of 56.111.187.54
19.122.2.64	Find precise map location of 19.122.2.64
253.111.58.233	Find precise map location of 253.111.58.233
57.143.215.206	Find precise map location of 57.143.215.206
69.96.107.221	Find precise map location of 69.96.107.221

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