221.43.10 is a class C of IPs

Sample IPs from the class C 221.43.10

221.43.10.153	View precise location of 221.43.10.153 on the map!
221.43.10.53	View precise location of 221.43.10.53 on the map!
221.43.10.198	View precise location of 221.43.10.198 on the map!
221.43.10.39	View precise location of 221.43.10.39 on the map!
221.43.10.170	View precise location of 221.43.10.170 on the map!
221.43.10.154	View precise location of 221.43.10.154 on the map!
221.43.10.142	View precise location of 221.43.10.142 on the map!
221.43.10.64	View precise location of 221.43.10.64 on the map!
221.43.10.110	View precise location of 221.43.10.110 on the map!
221.43.10.201	View precise location of 221.43.10.201 on the map!
221.43.10.198	View precise location of 221.43.10.198 on the map!

10 Random IPs

155.63.26.32	Find precise map location of 155.63.26.32
136.146.233.235	Find precise map location of 136.146.233.235
100.63.72.86	Find precise map location of 100.63.72.86
23.47.121.115	Find precise map location of 23.47.121.115
57.109.241.145	Find precise map location of 57.109.241.145
250.191.148.54	Find precise map location of 250.191.148.54
122.96.28.136	Find precise map location of 122.96.28.136
116.167.67.228	Find precise map location of 116.167.67.228
172.63.94.239	Find precise map location of 172.63.94.239
56.71.57.62	Find precise map location of 56.71.57.62
121.124.54.136	Find precise map location of 121.124.54.136

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