124.81.121 is a class C of IPs

Sample IPs from the class C 124.81.121

124.81.121.144	View precise location of 124.81.121.144 on the map!
124.81.121.71	View precise location of 124.81.121.71 on the map!
124.81.121.227	View precise location of 124.81.121.227 on the map!
124.81.121.19	View precise location of 124.81.121.19 on the map!
124.81.121.254	View precise location of 124.81.121.254 on the map!
124.81.121.209	View precise location of 124.81.121.209 on the map!
124.81.121.67	View precise location of 124.81.121.67 on the map!
124.81.121.231	View precise location of 124.81.121.231 on the map!
124.81.121.155	View precise location of 124.81.121.155 on the map!
124.81.121.12	View precise location of 124.81.121.12 on the map!
124.81.121.247	View precise location of 124.81.121.247 on the map!

10 Random IPs

79.38.1.79	Find precise map location of 79.38.1.79
4.203.31.55	Find precise map location of 4.203.31.55
170.99.151.22	Find precise map location of 170.99.151.22
144.141.245.122	Find precise map location of 144.141.245.122
223.235.121.162	Find precise map location of 223.235.121.162
137.240.204.169	Find precise map location of 137.240.204.169
214.32.74.196	Find precise map location of 214.32.74.196
199.59.201.4	Find precise map location of 199.59.201.4
119.235.180.81	Find precise map location of 119.235.180.81
6.116.120.139	Find precise map location of 6.116.120.139
218.167.238.168	Find precise map location of 218.167.238.168

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