66.57.180 is a class C of IPs

Sample IPs from the class C 66.57.180

66.57.180.52	View precise location of 66.57.180.52 on the map!
66.57.180.186	View precise location of 66.57.180.186 on the map!
66.57.180.7	View precise location of 66.57.180.7 on the map!
66.57.180.149	View precise location of 66.57.180.149 on the map!
66.57.180.183	View precise location of 66.57.180.183 on the map!
66.57.180.241	View precise location of 66.57.180.241 on the map!
66.57.180.119	View precise location of 66.57.180.119 on the map!
66.57.180.233	View precise location of 66.57.180.233 on the map!
66.57.180.132	View precise location of 66.57.180.132 on the map!
66.57.180.168	View precise location of 66.57.180.168 on the map!
66.57.180.83	View precise location of 66.57.180.83 on the map!

10 Random IPs

247.93.88.51	Find precise map location of 247.93.88.51
177.149.209.54	Find precise map location of 177.149.209.54
159.92.42.80	Find precise map location of 159.92.42.80
233.184.202.170	Find precise map location of 233.184.202.170
102.196.112.155	Find precise map location of 102.196.112.155
159.121.55.89	Find precise map location of 159.121.55.89
229.172.141.205	Find precise map location of 229.172.141.205
83.53.224.111	Find precise map location of 83.53.224.111
227.153.156.199	Find precise map location of 227.153.156.199
128.229.88.90	Find precise map location of 128.229.88.90
35.148.222.204	Find precise map location of 35.148.222.204

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