21.238.138 is a class C of IPs

Sample IPs from the class C 21.238.138

21.238.138.226	View precise location of 21.238.138.226 on the map!
21.238.138.188	View precise location of 21.238.138.188 on the map!
21.238.138.118	View precise location of 21.238.138.118 on the map!
21.238.138.74	View precise location of 21.238.138.74 on the map!
21.238.138.238	View precise location of 21.238.138.238 on the map!
21.238.138.110	View precise location of 21.238.138.110 on the map!
21.238.138.103	View precise location of 21.238.138.103 on the map!
21.238.138.155	View precise location of 21.238.138.155 on the map!
21.238.138.209	View precise location of 21.238.138.209 on the map!
21.238.138.174	View precise location of 21.238.138.174 on the map!
21.238.138.43	View precise location of 21.238.138.43 on the map!

10 Random IPs

192.248.84.35	Find precise map location of 192.248.84.35
156.121.43.237	Find precise map location of 156.121.43.237
35.117.49.37	Find precise map location of 35.117.49.37
154.53.181.145	Find precise map location of 154.53.181.145
29.161.246.71	Find precise map location of 29.161.246.71
108.15.111.100	Find precise map location of 108.15.111.100
33.139.159.254	Find precise map location of 33.139.159.254
70.96.115.111	Find precise map location of 70.96.115.111
237.22.92.102	Find precise map location of 237.22.92.102
28.237.86.135	Find precise map location of 28.237.86.135
78.34.6.137	Find precise map location of 78.34.6.137

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