66.19.185 is a class C of IPs

Sample IPs from the class C 66.19.185

66.19.185.93	View precise location of 66.19.185.93 on the map!
66.19.185.172	View precise location of 66.19.185.172 on the map!
66.19.185.74	View precise location of 66.19.185.74 on the map!
66.19.185.38	View precise location of 66.19.185.38 on the map!
66.19.185.233	View precise location of 66.19.185.233 on the map!
66.19.185.85	View precise location of 66.19.185.85 on the map!
66.19.185.218	View precise location of 66.19.185.218 on the map!
66.19.185.246	View precise location of 66.19.185.246 on the map!
66.19.185.214	View precise location of 66.19.185.214 on the map!
66.19.185.243	View precise location of 66.19.185.243 on the map!
66.19.185.79	View precise location of 66.19.185.79 on the map!

10 Random IPs

55.56.192.115	Find precise map location of 55.56.192.115
223.175.112.161	Find precise map location of 223.175.112.161
177.184.95.121	Find precise map location of 177.184.95.121
11.128.158.140	Find precise map location of 11.128.158.140
178.248.101.12	Find precise map location of 178.248.101.12
204.101.33.235	Find precise map location of 204.101.33.235
196.199.76.136	Find precise map location of 196.199.76.136
46.84.65.11	Find precise map location of 46.84.65.11
130.190.78.116	Find precise map location of 130.190.78.116
239.155.236.237	Find precise map location of 239.155.236.237
237.67.150.182	Find precise map location of 237.67.150.182

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