121.207.6 is a class C of IPs

Sample IPs from the class C 121.207.6

121.207.6.250	View precise location of 121.207.6.250 on the map!
121.207.6.236	View precise location of 121.207.6.236 on the map!
121.207.6.154	View precise location of 121.207.6.154 on the map!
121.207.6.108	View precise location of 121.207.6.108 on the map!
121.207.6.103	View precise location of 121.207.6.103 on the map!
121.207.6.219	View precise location of 121.207.6.219 on the map!
121.207.6.149	View precise location of 121.207.6.149 on the map!
121.207.6.108	View precise location of 121.207.6.108 on the map!
121.207.6.33	View precise location of 121.207.6.33 on the map!
121.207.6.46	View precise location of 121.207.6.46 on the map!
121.207.6.151	View precise location of 121.207.6.151 on the map!

10 Random IPs

132.95.21.235	Find precise map location of 132.95.21.235
55.47.184.17	Find precise map location of 55.47.184.17
166.130.241.153	Find precise map location of 166.130.241.153
12.223.111.122	Find precise map location of 12.223.111.122
83.95.214.137	Find precise map location of 83.95.214.137
102.228.57.231	Find precise map location of 102.228.57.231
105.42.61.63	Find precise map location of 105.42.61.63
237.187.135.67	Find precise map location of 237.187.135.67
31.56.230.234	Find precise map location of 31.56.230.234
93.73.185.210	Find precise map location of 93.73.185.210
220.5.58.160	Find precise map location of 220.5.58.160

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