146.66.173 is a class C of IPs

Sample IPs from the class C 146.66.173

146.66.173.9	View precise location of 146.66.173.9 on the map!
146.66.173.166	View precise location of 146.66.173.166 on the map!
146.66.173.189	View precise location of 146.66.173.189 on the map!
146.66.173.38	View precise location of 146.66.173.38 on the map!
146.66.173.104	View precise location of 146.66.173.104 on the map!
146.66.173.162	View precise location of 146.66.173.162 on the map!
146.66.173.220	View precise location of 146.66.173.220 on the map!
146.66.173.86	View precise location of 146.66.173.86 on the map!
146.66.173.100	View precise location of 146.66.173.100 on the map!
146.66.173.23	View precise location of 146.66.173.23 on the map!
146.66.173.116	View precise location of 146.66.173.116 on the map!

10 Random IPs

243.45.226.232	Find precise map location of 243.45.226.232
237.55.116.52	Find precise map location of 237.55.116.52
225.185.125.121	Find precise map location of 225.185.125.121
238.250.45.128	Find precise map location of 238.250.45.128
135.78.224.254	Find precise map location of 135.78.224.254
218.32.170.27	Find precise map location of 218.32.170.27
186.158.73.39	Find precise map location of 186.158.73.39
115.143.3.3	Find precise map location of 115.143.3.3
71.198.94.79	Find precise map location of 71.198.94.79
199.45.57.113	Find precise map location of 199.45.57.113
85.232.195.142	Find precise map location of 85.232.195.142

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