143.49.212 is a class C of IPs

Sample IPs from the class C 143.49.212

143.49.212.215	View precise location of 143.49.212.215 on the map!
143.49.212.22	View precise location of 143.49.212.22 on the map!
143.49.212.96	View precise location of 143.49.212.96 on the map!
143.49.212.211	View precise location of 143.49.212.211 on the map!
143.49.212.24	View precise location of 143.49.212.24 on the map!
143.49.212.115	View precise location of 143.49.212.115 on the map!
143.49.212.8	View precise location of 143.49.212.8 on the map!
143.49.212.82	View precise location of 143.49.212.82 on the map!
143.49.212.91	View precise location of 143.49.212.91 on the map!
143.49.212.168	View precise location of 143.49.212.168 on the map!
143.49.212.36	View precise location of 143.49.212.36 on the map!

10 Random IPs

251.234.118.70	Find precise map location of 251.234.118.70
75.203.154.108	Find precise map location of 75.203.154.108
250.248.209.82	Find precise map location of 250.248.209.82
214.56.198.207	Find precise map location of 214.56.198.207
99.207.135.238	Find precise map location of 99.207.135.238
90.106.58.44	Find precise map location of 90.106.58.44
253.240.207.45	Find precise map location of 253.240.207.45
120.254.12.131	Find precise map location of 120.254.12.131
171.142.68.142	Find precise map location of 171.142.68.142
204.144.72.75	Find precise map location of 204.144.72.75
182.115.67.225	Find precise map location of 182.115.67.225

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