66.243.199 is a class C of IPs

Sample IPs from the class C 66.243.199

66.243.199.24	View precise location of 66.243.199.24 on the map!
66.243.199.222	View precise location of 66.243.199.222 on the map!
66.243.199.112	View precise location of 66.243.199.112 on the map!
66.243.199.223	View precise location of 66.243.199.223 on the map!
66.243.199.98	View precise location of 66.243.199.98 on the map!
66.243.199.196	View precise location of 66.243.199.196 on the map!
66.243.199.203	View precise location of 66.243.199.203 on the map!
66.243.199.64	View precise location of 66.243.199.64 on the map!
66.243.199.196	View precise location of 66.243.199.196 on the map!
66.243.199.118	View precise location of 66.243.199.118 on the map!
66.243.199.137	View precise location of 66.243.199.137 on the map!

10 Random IPs

125.132.231.127	Find precise map location of 125.132.231.127
17.93.65.125	Find precise map location of 17.93.65.125
183.39.129.234	Find precise map location of 183.39.129.234
116.183.196.11	Find precise map location of 116.183.196.11
161.18.238.69	Find precise map location of 161.18.238.69
49.246.201.141	Find precise map location of 49.246.201.141
204.172.240.33	Find precise map location of 204.172.240.33
151.155.187.37	Find precise map location of 151.155.187.37
32.159.173.243	Find precise map location of 32.159.173.243
77.150.52.131	Find precise map location of 77.150.52.131
89.2.47.115	Find precise map location of 89.2.47.115

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