239.66.84 is a class C of IPs

Sample IPs from the class C 239.66.84

239.66.84.192	View precise location of 239.66.84.192 on the map!
239.66.84.76	View precise location of 239.66.84.76 on the map!
239.66.84.178	View precise location of 239.66.84.178 on the map!
239.66.84.219	View precise location of 239.66.84.219 on the map!
239.66.84.34	View precise location of 239.66.84.34 on the map!
239.66.84.97	View precise location of 239.66.84.97 on the map!
239.66.84.209	View precise location of 239.66.84.209 on the map!
239.66.84.247	View precise location of 239.66.84.247 on the map!
239.66.84.229	View precise location of 239.66.84.229 on the map!
239.66.84.208	View precise location of 239.66.84.208 on the map!
239.66.84.125	View precise location of 239.66.84.125 on the map!

10 Random IPs

79.192.89.246	Find precise map location of 79.192.89.246
219.26.42.169	Find precise map location of 219.26.42.169
130.66.193.112	Find precise map location of 130.66.193.112
216.213.104.234	Find precise map location of 216.213.104.234
66.239.56.255	Find precise map location of 66.239.56.255
133.76.146.97	Find precise map location of 133.76.146.97
51.125.34.4	Find precise map location of 51.125.34.4
127.138.62.184	Find precise map location of 127.138.62.184
212.185.151.59	Find precise map location of 212.185.151.59
27.134.208.177	Find precise map location of 27.134.208.177
212.168.37.244	Find precise map location of 212.168.37.244

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