121.166.195 is a class C of IPs

Sample IPs from the class C 121.166.195

121.166.195.189	View precise location of 121.166.195.189 on the map!
121.166.195.188	View precise location of 121.166.195.188 on the map!
121.166.195.197	View precise location of 121.166.195.197 on the map!
121.166.195.154	View precise location of 121.166.195.154 on the map!
121.166.195.222	View precise location of 121.166.195.222 on the map!
121.166.195.90	View precise location of 121.166.195.90 on the map!
121.166.195.146	View precise location of 121.166.195.146 on the map!
121.166.195.117	View precise location of 121.166.195.117 on the map!
121.166.195.178	View precise location of 121.166.195.178 on the map!
121.166.195.128	View precise location of 121.166.195.128 on the map!
121.166.195.41	View precise location of 121.166.195.41 on the map!

10 Random IPs

203.152.29.200	Find precise map location of 203.152.29.200
212.227.104.228	Find precise map location of 212.227.104.228
11.185.210.182	Find precise map location of 11.185.210.182
232.14.86.246	Find precise map location of 232.14.86.246
227.239.203.225	Find precise map location of 227.239.203.225
132.253.107.94	Find precise map location of 132.253.107.94
9.184.62.24	Find precise map location of 9.184.62.24
244.195.99.184	Find precise map location of 244.195.99.184
77.134.212.2	Find precise map location of 77.134.212.2
11.42.68.190	Find precise map location of 11.42.68.190
59.150.73.137	Find precise map location of 59.150.73.137

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