143.1.147 is a class C of IPs

Sample IPs from the class C 143.1.147

143.1.147.229	View precise location of 143.1.147.229 on the map!
143.1.147.217	View precise location of 143.1.147.217 on the map!
143.1.147.255	View precise location of 143.1.147.255 on the map!
143.1.147.100	View precise location of 143.1.147.100 on the map!
143.1.147.42	View precise location of 143.1.147.42 on the map!
143.1.147.208	View precise location of 143.1.147.208 on the map!
143.1.147.183	View precise location of 143.1.147.183 on the map!
143.1.147.68	View precise location of 143.1.147.68 on the map!
143.1.147.219	View precise location of 143.1.147.219 on the map!
143.1.147.154	View precise location of 143.1.147.154 on the map!
143.1.147.52	View precise location of 143.1.147.52 on the map!

10 Random IPs

81.140.227.1	Find precise map location of 81.140.227.1
5.245.130.52	Find precise map location of 5.245.130.52
163.86.189.211	Find precise map location of 163.86.189.211
73.255.140.244	Find precise map location of 73.255.140.244
149.11.94.221	Find precise map location of 149.11.94.221
8.10.237.214	Find precise map location of 8.10.237.214
230.85.190.219	Find precise map location of 230.85.190.219
41.126.117.240	Find precise map location of 41.126.117.240
236.13.49.108	Find precise map location of 236.13.49.108
171.51.254.166	Find precise map location of 171.51.254.166
151.107.53.3	Find precise map location of 151.107.53.3

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