143.52.143 is a class C of IPs

Sample IPs from the class C 143.52.143

143.52.143.225	View precise location of 143.52.143.225 on the map!
143.52.143.13	View precise location of 143.52.143.13 on the map!
143.52.143.21	View precise location of 143.52.143.21 on the map!
143.52.143.95	View precise location of 143.52.143.95 on the map!
143.52.143.105	View precise location of 143.52.143.105 on the map!
143.52.143.243	View precise location of 143.52.143.243 on the map!
143.52.143.233	View precise location of 143.52.143.233 on the map!
143.52.143.184	View precise location of 143.52.143.184 on the map!
143.52.143.82	View precise location of 143.52.143.82 on the map!
143.52.143.16	View precise location of 143.52.143.16 on the map!
143.52.143.226	View precise location of 143.52.143.226 on the map!

10 Random IPs

157.199.4.181	Find precise map location of 157.199.4.181
241.79.33.196	Find precise map location of 241.79.33.196
143.212.74.142	Find precise map location of 143.212.74.142
161.63.48.54	Find precise map location of 161.63.48.54
52.37.5.190	Find precise map location of 52.37.5.190
75.221.194.78	Find precise map location of 75.221.194.78
198.21.75.77	Find precise map location of 198.21.75.77
46.185.4.211	Find precise map location of 46.185.4.211
79.162.115.153	Find precise map location of 79.162.115.153
187.29.62.83	Find precise map location of 187.29.62.83
246.108.226.248	Find precise map location of 246.108.226.248

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