143.224.54 is a class C of IPs

Sample IPs from the class C 143.224.54

143.224.54.249	View precise location of 143.224.54.249 on the map!
143.224.54.244	View precise location of 143.224.54.244 on the map!
143.224.54.77	View precise location of 143.224.54.77 on the map!
143.224.54.42	View precise location of 143.224.54.42 on the map!
143.224.54.10	View precise location of 143.224.54.10 on the map!
143.224.54.255	View precise location of 143.224.54.255 on the map!
143.224.54.150	View precise location of 143.224.54.150 on the map!
143.224.54.97	View precise location of 143.224.54.97 on the map!
143.224.54.176	View precise location of 143.224.54.176 on the map!
143.224.54.255	View precise location of 143.224.54.255 on the map!
143.224.54.4	View precise location of 143.224.54.4 on the map!

10 Random IPs

47.133.159.249	Find precise map location of 47.133.159.249
64.236.51.223	Find precise map location of 64.236.51.223
117.167.197.209	Find precise map location of 117.167.197.209
247.156.129.139	Find precise map location of 247.156.129.139
34.17.214.80	Find precise map location of 34.17.214.80
177.129.225.136	Find precise map location of 177.129.225.136
6.15.251.215	Find precise map location of 6.15.251.215
117.28.133.86	Find precise map location of 117.28.133.86
169.32.203.60	Find precise map location of 169.32.203.60
92.164.29.40	Find precise map location of 92.164.29.40
41.157.233.91	Find precise map location of 41.157.233.91

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