230.143.221 is a class C of IPs

Sample IPs from the class C 230.143.221

230.143.221.101	View precise location of 230.143.221.101 on the map!
230.143.221.100	View precise location of 230.143.221.100 on the map!
230.143.221.9	View precise location of 230.143.221.9 on the map!
230.143.221.159	View precise location of 230.143.221.159 on the map!
230.143.221.214	View precise location of 230.143.221.214 on the map!
230.143.221.113	View precise location of 230.143.221.113 on the map!
230.143.221.153	View precise location of 230.143.221.153 on the map!
230.143.221.22	View precise location of 230.143.221.22 on the map!
230.143.221.36	View precise location of 230.143.221.36 on the map!
230.143.221.152	View precise location of 230.143.221.152 on the map!
230.143.221.27	View precise location of 230.143.221.27 on the map!

10 Random IPs

139.96.206.113	Find precise map location of 139.96.206.113
184.157.28.72	Find precise map location of 184.157.28.72
25.77.78.30	Find precise map location of 25.77.78.30
19.83.136.100	Find precise map location of 19.83.136.100
188.224.137.162	Find precise map location of 188.224.137.162
49.97.41.60	Find precise map location of 49.97.41.60
74.180.104.131	Find precise map location of 74.180.104.131
37.52.40.142	Find precise map location of 37.52.40.142
49.250.212.211	Find precise map location of 49.250.212.211
157.20.97.70	Find precise map location of 157.20.97.70
116.28.158.61	Find precise map location of 116.28.158.61

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