121.3.120 is a class C of IPs

Sample IPs from the class C 121.3.120

121.3.120.126	View precise location of 121.3.120.126 on the map!
121.3.120.106	View precise location of 121.3.120.106 on the map!
121.3.120.193	View precise location of 121.3.120.193 on the map!
121.3.120.251	View precise location of 121.3.120.251 on the map!
121.3.120.121	View precise location of 121.3.120.121 on the map!
121.3.120.32	View precise location of 121.3.120.32 on the map!
121.3.120.25	View precise location of 121.3.120.25 on the map!
121.3.120.81	View precise location of 121.3.120.81 on the map!
121.3.120.161	View precise location of 121.3.120.161 on the map!
121.3.120.199	View precise location of 121.3.120.199 on the map!
121.3.120.118	View precise location of 121.3.120.118 on the map!

10 Random IPs

83.27.30.167	Find precise map location of 83.27.30.167
69.12.67.15	Find precise map location of 69.12.67.15
203.191.9.178	Find precise map location of 203.191.9.178
86.56.105.123	Find precise map location of 86.56.105.123
240.161.172.20	Find precise map location of 240.161.172.20
16.112.63.163	Find precise map location of 16.112.63.163
187.67.169.142	Find precise map location of 187.67.169.142
146.9.188.123	Find precise map location of 146.9.188.123
233.226.124.43	Find precise map location of 233.226.124.43
187.132.88.229	Find precise map location of 187.132.88.229
59.24.208.59	Find precise map location of 59.24.208.59

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