143.4.102 is a class C of IPs

Sample IPs from the class C 143.4.102

143.4.102.203	View precise location of 143.4.102.203 on the map!
143.4.102.54	View precise location of 143.4.102.54 on the map!
143.4.102.149	View precise location of 143.4.102.149 on the map!
143.4.102.183	View precise location of 143.4.102.183 on the map!
143.4.102.179	View precise location of 143.4.102.179 on the map!
143.4.102.69	View precise location of 143.4.102.69 on the map!
143.4.102.96	View precise location of 143.4.102.96 on the map!
143.4.102.143	View precise location of 143.4.102.143 on the map!
143.4.102.129	View precise location of 143.4.102.129 on the map!
143.4.102.4	View precise location of 143.4.102.4 on the map!
143.4.102.204	View precise location of 143.4.102.204 on the map!

10 Random IPs

175.85.107.128	Find precise map location of 175.85.107.128
213.184.241.42	Find precise map location of 213.184.241.42
168.118.212.179	Find precise map location of 168.118.212.179
220.240.62.118	Find precise map location of 220.240.62.118
155.216.188.25	Find precise map location of 155.216.188.25
163.236.151.1	Find precise map location of 163.236.151.1
110.58.166.116	Find precise map location of 110.58.166.116
245.212.125.243	Find precise map location of 245.212.125.243
196.108.44.243	Find precise map location of 196.108.44.243
176.127.67.110	Find precise map location of 176.127.67.110
66.33.52.140	Find precise map location of 66.33.52.140

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