66.51.223 is a class C of IPs

Sample IPs from the class C 66.51.223

66.51.223.41	View precise location of 66.51.223.41 on the map!
66.51.223.66	View precise location of 66.51.223.66 on the map!
66.51.223.214	View precise location of 66.51.223.214 on the map!
66.51.223.65	View precise location of 66.51.223.65 on the map!
66.51.223.69	View precise location of 66.51.223.69 on the map!
66.51.223.81	View precise location of 66.51.223.81 on the map!
66.51.223.54	View precise location of 66.51.223.54 on the map!
66.51.223.229	View precise location of 66.51.223.229 on the map!
66.51.223.120	View precise location of 66.51.223.120 on the map!
66.51.223.91	View precise location of 66.51.223.91 on the map!
66.51.223.244	View precise location of 66.51.223.244 on the map!

10 Random IPs

125.199.79.122	Find precise map location of 125.199.79.122
55.206.27.227	Find precise map location of 55.206.27.227
222.42.224.5	Find precise map location of 222.42.224.5
189.116.216.162	Find precise map location of 189.116.216.162
177.53.54.116	Find precise map location of 177.53.54.116
115.203.245.197	Find precise map location of 115.203.245.197
145.63.30.209	Find precise map location of 145.63.30.209
38.91.123.186	Find precise map location of 38.91.123.186
3.101.173.175	Find precise map location of 3.101.173.175
50.168.244.209	Find precise map location of 50.168.244.209
18.186.57.223	Find precise map location of 18.186.57.223

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