21.120.38 is a class C of IPs

Sample IPs from the class C 21.120.38

21.120.38.220	View precise location of 21.120.38.220 on the map!
21.120.38.183	View precise location of 21.120.38.183 on the map!
21.120.38.199	View precise location of 21.120.38.199 on the map!
21.120.38.116	View precise location of 21.120.38.116 on the map!
21.120.38.137	View precise location of 21.120.38.137 on the map!
21.120.38.19	View precise location of 21.120.38.19 on the map!
21.120.38.235	View precise location of 21.120.38.235 on the map!
21.120.38.129	View precise location of 21.120.38.129 on the map!
21.120.38.182	View precise location of 21.120.38.182 on the map!
21.120.38.130	View precise location of 21.120.38.130 on the map!
21.120.38.254	View precise location of 21.120.38.254 on the map!

10 Random IPs

176.216.229.30	Find precise map location of 176.216.229.30
122.173.82.141	Find precise map location of 122.173.82.141
64.136.236.100	Find precise map location of 64.136.236.100
238.179.156.15	Find precise map location of 238.179.156.15
182.252.191.61	Find precise map location of 182.252.191.61
88.247.112.1	Find precise map location of 88.247.112.1
230.15.185.247	Find precise map location of 230.15.185.247
162.70.96.1	Find precise map location of 162.70.96.1
169.54.146.17	Find precise map location of 169.54.146.17
66.50.32.33	Find precise map location of 66.50.32.33
118.127.143.208	Find precise map location of 118.127.143.208

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