20.73.143 is a class C of IPs

Sample IPs from the class C 20.73.143

20.73.143.64	View precise location of 20.73.143.64 on the map!
20.73.143.133	View precise location of 20.73.143.133 on the map!
20.73.143.37	View precise location of 20.73.143.37 on the map!
20.73.143.80	View precise location of 20.73.143.80 on the map!
20.73.143.220	View precise location of 20.73.143.220 on the map!
20.73.143.51	View precise location of 20.73.143.51 on the map!
20.73.143.81	View precise location of 20.73.143.81 on the map!
20.73.143.148	View precise location of 20.73.143.148 on the map!
20.73.143.199	View precise location of 20.73.143.199 on the map!
20.73.143.65	View precise location of 20.73.143.65 on the map!
20.73.143.227	View precise location of 20.73.143.227 on the map!

10 Random IPs

183.194.223.224	Find precise map location of 183.194.223.224
241.79.6.216	Find precise map location of 241.79.6.216
178.74.28.110	Find precise map location of 178.74.28.110
149.9.132.13	Find precise map location of 149.9.132.13
97.188.217.254	Find precise map location of 97.188.217.254
110.12.65.147	Find precise map location of 110.12.65.147
160.64.158.142	Find precise map location of 160.64.158.142
79.165.145.164	Find precise map location of 79.165.145.164
180.100.124.244	Find precise map location of 180.100.124.244
32.28.61.133	Find precise map location of 32.28.61.133
127.56.180.152	Find precise map location of 127.56.180.152

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