239.216.51 is a class C of IPs

Sample IPs from the class C 239.216.51

239.216.51.215	View precise location of 239.216.51.215 on the map!
239.216.51.79	View precise location of 239.216.51.79 on the map!
239.216.51.226	View precise location of 239.216.51.226 on the map!
239.216.51.208	View precise location of 239.216.51.208 on the map!
239.216.51.180	View precise location of 239.216.51.180 on the map!
239.216.51.227	View precise location of 239.216.51.227 on the map!
239.216.51.86	View precise location of 239.216.51.86 on the map!
239.216.51.241	View precise location of 239.216.51.241 on the map!
239.216.51.203	View precise location of 239.216.51.203 on the map!
239.216.51.70	View precise location of 239.216.51.70 on the map!
239.216.51.147	View precise location of 239.216.51.147 on the map!

10 Random IPs

240.18.13.129	Find precise map location of 240.18.13.129
72.194.57.65	Find precise map location of 72.194.57.65
38.242.239.28	Find precise map location of 38.242.239.28
69.53.163.214	Find precise map location of 69.53.163.214
70.89.204.113	Find precise map location of 70.89.204.113
131.210.163.214	Find precise map location of 131.210.163.214
227.10.159.247	Find precise map location of 227.10.159.247
255.244.239.61	Find precise map location of 255.244.239.61
82.84.140.242	Find precise map location of 82.84.140.242
66.136.254.71	Find precise map location of 66.136.254.71
202.235.35.221	Find precise map location of 202.235.35.221

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