143.221.124 is a class C of IPs

Sample IPs from the class C 143.221.124

143.221.124.195	View precise location of 143.221.124.195 on the map!
143.221.124.129	View precise location of 143.221.124.129 on the map!
143.221.124.17	View precise location of 143.221.124.17 on the map!
143.221.124.35	View precise location of 143.221.124.35 on the map!
143.221.124.172	View precise location of 143.221.124.172 on the map!
143.221.124.94	View precise location of 143.221.124.94 on the map!
143.221.124.120	View precise location of 143.221.124.120 on the map!
143.221.124.252	View precise location of 143.221.124.252 on the map!
143.221.124.230	View precise location of 143.221.124.230 on the map!
143.221.124.165	View precise location of 143.221.124.165 on the map!
143.221.124.206	View precise location of 143.221.124.206 on the map!

10 Random IPs

129.195.70.121	Find precise map location of 129.195.70.121
220.190.9.181	Find precise map location of 220.190.9.181
230.77.219.61	Find precise map location of 230.77.219.61
174.5.125.136	Find precise map location of 174.5.125.136
46.57.213.90	Find precise map location of 46.57.213.90
164.172.106.124	Find precise map location of 164.172.106.124
199.55.7.143	Find precise map location of 199.55.7.143
127.77.178.240	Find precise map location of 127.77.178.240
137.92.93.44	Find precise map location of 137.92.93.44
112.88.49.134	Find precise map location of 112.88.49.134
151.74.241.195	Find precise map location of 151.74.241.195

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