66.212.15 is a class C of IPs

Sample IPs from the class C 66.212.15

66.212.15.33	View precise location of 66.212.15.33 on the map!
66.212.15.244	View precise location of 66.212.15.244 on the map!
66.212.15.185	View precise location of 66.212.15.185 on the map!
66.212.15.34	View precise location of 66.212.15.34 on the map!
66.212.15.139	View precise location of 66.212.15.139 on the map!
66.212.15.241	View precise location of 66.212.15.241 on the map!
66.212.15.115	View precise location of 66.212.15.115 on the map!
66.212.15.222	View precise location of 66.212.15.222 on the map!
66.212.15.90	View precise location of 66.212.15.90 on the map!
66.212.15.110	View precise location of 66.212.15.110 on the map!
66.212.15.158	View precise location of 66.212.15.158 on the map!

10 Random IPs

11.105.95.144	Find precise map location of 11.105.95.144
187.222.86.222	Find precise map location of 187.222.86.222
255.118.77.195	Find precise map location of 255.118.77.195
195.128.191.181	Find precise map location of 195.128.191.181
76.41.138.230	Find precise map location of 76.41.138.230
115.27.44.9	Find precise map location of 115.27.44.9
132.6.12.41	Find precise map location of 132.6.12.41
13.58.114.9	Find precise map location of 13.58.114.9
252.81.242.226	Find precise map location of 252.81.242.226
43.221.190.130	Find precise map location of 43.221.190.130
218.195.48.91	Find precise map location of 218.195.48.91

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