121.12.101 is a class C of IPs

Sample IPs from the class C 121.12.101

121.12.101.166	View precise location of 121.12.101.166 on the map!
121.12.101.192	View precise location of 121.12.101.192 on the map!
121.12.101.226	View precise location of 121.12.101.226 on the map!
121.12.101.140	View precise location of 121.12.101.140 on the map!
121.12.101.171	View precise location of 121.12.101.171 on the map!
121.12.101.166	View precise location of 121.12.101.166 on the map!
121.12.101.103	View precise location of 121.12.101.103 on the map!
121.12.101.69	View precise location of 121.12.101.69 on the map!
121.12.101.212	View precise location of 121.12.101.212 on the map!
121.12.101.170	View precise location of 121.12.101.170 on the map!
121.12.101.125	View precise location of 121.12.101.125 on the map!

10 Random IPs

48.93.8.219	Find precise map location of 48.93.8.219
206.226.223.110	Find precise map location of 206.226.223.110
65.128.118.105	Find precise map location of 65.128.118.105
233.172.90.129	Find precise map location of 233.172.90.129
90.162.10.31	Find precise map location of 90.162.10.31
42.234.63.224	Find precise map location of 42.234.63.224
194.97.54.67	Find precise map location of 194.97.54.67
253.11.174.100	Find precise map location of 253.11.174.100
10.130.185.39	Find precise map location of 10.130.185.39
66.27.26.177	Find precise map location of 66.27.26.177
154.3.241.228	Find precise map location of 154.3.241.228

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