143.30.131 is a class C of IPs

Sample IPs from the class C 143.30.131

143.30.131.206	View precise location of 143.30.131.206 on the map!
143.30.131.76	View precise location of 143.30.131.76 on the map!
143.30.131.246	View precise location of 143.30.131.246 on the map!
143.30.131.166	View precise location of 143.30.131.166 on the map!
143.30.131.208	View precise location of 143.30.131.208 on the map!
143.30.131.105	View precise location of 143.30.131.105 on the map!
143.30.131.69	View precise location of 143.30.131.69 on the map!
143.30.131.211	View precise location of 143.30.131.211 on the map!
143.30.131.179	View precise location of 143.30.131.179 on the map!
143.30.131.253	View precise location of 143.30.131.253 on the map!
143.30.131.230	View precise location of 143.30.131.230 on the map!

10 Random IPs

183.29.170.151	Find precise map location of 183.29.170.151
59.66.201.96	Find precise map location of 59.66.201.96
139.128.110.24	Find precise map location of 139.128.110.24
129.227.215.128	Find precise map location of 129.227.215.128
116.29.65.85	Find precise map location of 116.29.65.85
40.193.56.70	Find precise map location of 40.193.56.70
85.54.84.141	Find precise map location of 85.54.84.141
251.54.92.18	Find precise map location of 251.54.92.18
146.110.52.106	Find precise map location of 146.110.52.106
184.80.97.164	Find precise map location of 184.80.97.164
221.70.197.147	Find precise map location of 221.70.197.147

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