143.162.21 is a class C of IPs

Sample IPs from the class C 143.162.21

143.162.21.180	View precise location of 143.162.21.180 on the map!
143.162.21.78	View precise location of 143.162.21.78 on the map!
143.162.21.22	View precise location of 143.162.21.22 on the map!
143.162.21.41	View precise location of 143.162.21.41 on the map!
143.162.21.29	View precise location of 143.162.21.29 on the map!
143.162.21.233	View precise location of 143.162.21.233 on the map!
143.162.21.84	View precise location of 143.162.21.84 on the map!
143.162.21.50	View precise location of 143.162.21.50 on the map!
143.162.21.120	View precise location of 143.162.21.120 on the map!
143.162.21.27	View precise location of 143.162.21.27 on the map!
143.162.21.157	View precise location of 143.162.21.157 on the map!

10 Random IPs

61.114.195.68	Find precise map location of 61.114.195.68
40.92.107.196	Find precise map location of 40.92.107.196
249.134.59.137	Find precise map location of 249.134.59.137
59.47.133.142	Find precise map location of 59.47.133.142
26.215.94.127	Find precise map location of 26.215.94.127
204.172.114.144	Find precise map location of 204.172.114.144
175.111.155.224	Find precise map location of 175.111.155.224
126.238.55.232	Find precise map location of 126.238.55.232
199.148.63.126	Find precise map location of 199.148.63.126
22.56.62.166	Find precise map location of 22.56.62.166
235.240.234.232	Find precise map location of 235.240.234.232

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