121.203.9 is a class C of IPs

Sample IPs from the class C 121.203.9

121.203.9.47	View precise location of 121.203.9.47 on the map!
121.203.9.180	View precise location of 121.203.9.180 on the map!
121.203.9.66	View precise location of 121.203.9.66 on the map!
121.203.9.137	View precise location of 121.203.9.137 on the map!
121.203.9.27	View precise location of 121.203.9.27 on the map!
121.203.9.234	View precise location of 121.203.9.234 on the map!
121.203.9.17	View precise location of 121.203.9.17 on the map!
121.203.9.10	View precise location of 121.203.9.10 on the map!
121.203.9.105	View precise location of 121.203.9.105 on the map!
121.203.9.252	View precise location of 121.203.9.252 on the map!
121.203.9.164	View precise location of 121.203.9.164 on the map!

10 Random IPs

253.127.105.173	Find precise map location of 253.127.105.173
120.174.68.191	Find precise map location of 120.174.68.191
61.61.153.217	Find precise map location of 61.61.153.217
25.221.180.138	Find precise map location of 25.221.180.138
226.155.170.214	Find precise map location of 226.155.170.214
50.178.238.103	Find precise map location of 50.178.238.103
104.82.45.104	Find precise map location of 104.82.45.104
177.44.172.207	Find precise map location of 177.44.172.207
238.199.31.247	Find precise map location of 238.199.31.247
240.151.44.106	Find precise map location of 240.151.44.106
61.39.107.85	Find precise map location of 61.39.107.85

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