21.3.124 is a class C of IPs

Sample IPs from the class C 21.3.124

21.3.124.197	View precise location of 21.3.124.197 on the map!
21.3.124.21	View precise location of 21.3.124.21 on the map!
21.3.124.192	View precise location of 21.3.124.192 on the map!
21.3.124.119	View precise location of 21.3.124.119 on the map!
21.3.124.75	View precise location of 21.3.124.75 on the map!
21.3.124.101	View precise location of 21.3.124.101 on the map!
21.3.124.116	View precise location of 21.3.124.116 on the map!
21.3.124.149	View precise location of 21.3.124.149 on the map!
21.3.124.232	View precise location of 21.3.124.232 on the map!
21.3.124.6	View precise location of 21.3.124.6 on the map!
21.3.124.38	View precise location of 21.3.124.38 on the map!

10 Random IPs

135.60.45.235	Find precise map location of 135.60.45.235
161.140.185.38	Find precise map location of 161.140.185.38
103.31.225.107	Find precise map location of 103.31.225.107
127.45.116.155	Find precise map location of 127.45.116.155
236.211.60.139	Find precise map location of 236.211.60.139
55.88.115.232	Find precise map location of 55.88.115.232
59.38.206.218	Find precise map location of 59.38.206.218
49.121.42.224	Find precise map location of 49.121.42.224
244.242.92.37	Find precise map location of 244.242.92.37
131.176.67.189	Find precise map location of 131.176.67.189
71.58.11.190	Find precise map location of 71.58.11.190

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