66.177.144 is a class C of IPs

Sample IPs from the class C 66.177.144

66.177.144.25	View precise location of 66.177.144.25 on the map!
66.177.144.158	View precise location of 66.177.144.158 on the map!
66.177.144.170	View precise location of 66.177.144.170 on the map!
66.177.144.179	View precise location of 66.177.144.179 on the map!
66.177.144.4	View precise location of 66.177.144.4 on the map!
66.177.144.253	View precise location of 66.177.144.253 on the map!
66.177.144.116	View precise location of 66.177.144.116 on the map!
66.177.144.145	View precise location of 66.177.144.145 on the map!
66.177.144.69	View precise location of 66.177.144.69 on the map!
66.177.144.234	View precise location of 66.177.144.234 on the map!
66.177.144.232	View precise location of 66.177.144.232 on the map!

10 Random IPs

57.92.216.50	Find precise map location of 57.92.216.50
186.40.135.245	Find precise map location of 186.40.135.245
182.238.211.254	Find precise map location of 182.238.211.254
106.101.98.33	Find precise map location of 106.101.98.33
46.148.85.196	Find precise map location of 46.148.85.196
215.39.242.55	Find precise map location of 215.39.242.55
58.232.66.49	Find precise map location of 58.232.66.49
234.27.171.52	Find precise map location of 234.27.171.52
122.83.106.147	Find precise map location of 122.83.106.147
99.42.106.59	Find precise map location of 99.42.106.59
174.76.79.180	Find precise map location of 174.76.79.180

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