221.42.203 is a class C of IPs

Sample IPs from the class C 221.42.203

221.42.203.36	View precise location of 221.42.203.36 on the map!
221.42.203.22	View precise location of 221.42.203.22 on the map!
221.42.203.254	View precise location of 221.42.203.254 on the map!
221.42.203.9	View precise location of 221.42.203.9 on the map!
221.42.203.114	View precise location of 221.42.203.114 on the map!
221.42.203.102	View precise location of 221.42.203.102 on the map!
221.42.203.192	View precise location of 221.42.203.192 on the map!
221.42.203.11	View precise location of 221.42.203.11 on the map!
221.42.203.56	View precise location of 221.42.203.56 on the map!
221.42.203.153	View precise location of 221.42.203.153 on the map!
221.42.203.220	View precise location of 221.42.203.220 on the map!

10 Random IPs

160.211.207.63	Find precise map location of 160.211.207.63
40.207.219.86	Find precise map location of 40.207.219.86
170.137.205.11	Find precise map location of 170.137.205.11
29.45.137.26	Find precise map location of 29.45.137.26
155.40.178.215	Find precise map location of 155.40.178.215
65.101.113.85	Find precise map location of 65.101.113.85
16.46.152.115	Find precise map location of 16.46.152.115
58.115.171.253	Find precise map location of 58.115.171.253
94.246.206.140	Find precise map location of 94.246.206.140
84.38.110.120	Find precise map location of 84.38.110.120
98.167.195.101	Find precise map location of 98.167.195.101

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