146.66 is a class B of IPs

Sample IPs from the class B 146.66

146.66.2.77	View precise location of 146.66.2.77 on the map!
146.66.111.167	View precise location of 146.66.111.167 on the map!
146.66.202.2	View precise location of 146.66.202.2 on the map!
146.66.63.218	View precise location of 146.66.63.218 on the map!
146.66.61.147	View precise location of 146.66.61.147 on the map!
146.66.155.186	View precise location of 146.66.155.186 on the map!
146.66.69.248	View precise location of 146.66.69.248 on the map!
146.66.110.241	View precise location of 146.66.110.241 on the map!
146.66.65.142	View precise location of 146.66.65.142 on the map!
146.66.39.195	View precise location of 146.66.39.195 on the map!
146.66.190.196	View precise location of 146.66.190.196 on the map!

10 Random IPs

134.220.160.230	Find precise map location of 134.220.160.230
31.193.177.21	Find precise map location of 31.193.177.21
171.117.77.147	Find precise map location of 171.117.77.147
151.14.142.91	Find precise map location of 151.14.142.91
255.166.19.133	Find precise map location of 255.166.19.133
136.220.176.237	Find precise map location of 136.220.176.237
164.18.104.249	Find precise map location of 164.18.104.249
178.218.29.69	Find precise map location of 178.218.29.69
40.75.169.7	Find precise map location of 40.75.169.7
170.43.151.183	Find precise map location of 170.43.151.183
67.94.154.120	Find precise map location of 67.94.154.120

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