66.58.199 is a class C of IPs

Sample IPs from the class C 66.58.199

66.58.199.233	View precise location of 66.58.199.233 on the map!
66.58.199.58	View precise location of 66.58.199.58 on the map!
66.58.199.100	View precise location of 66.58.199.100 on the map!
66.58.199.190	View precise location of 66.58.199.190 on the map!
66.58.199.237	View precise location of 66.58.199.237 on the map!
66.58.199.124	View precise location of 66.58.199.124 on the map!
66.58.199.93	View precise location of 66.58.199.93 on the map!
66.58.199.247	View precise location of 66.58.199.247 on the map!
66.58.199.139	View precise location of 66.58.199.139 on the map!
66.58.199.192	View precise location of 66.58.199.192 on the map!
66.58.199.21	View precise location of 66.58.199.21 on the map!

10 Random IPs

159.102.186.223	Find precise map location of 159.102.186.223
167.77.22.174	Find precise map location of 167.77.22.174
135.64.135.185	Find precise map location of 135.64.135.185
153.242.143.1	Find precise map location of 153.242.143.1
40.55.78.171	Find precise map location of 40.55.78.171
225.234.220.181	Find precise map location of 225.234.220.181
54.123.74.188	Find precise map location of 54.123.74.188
126.189.251.193	Find precise map location of 126.189.251.193
105.174.245.244	Find precise map location of 105.174.245.244
58.11.66.101	Find precise map location of 58.11.66.101
28.90.194.152	Find precise map location of 28.90.194.152

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