221.18.104 is a class C of IPs

Sample IPs from the class C 221.18.104

221.18.104.103	View precise location of 221.18.104.103 on the map!
221.18.104.113	View precise location of 221.18.104.113 on the map!
221.18.104.32	View precise location of 221.18.104.32 on the map!
221.18.104.119	View precise location of 221.18.104.119 on the map!
221.18.104.46	View precise location of 221.18.104.46 on the map!
221.18.104.136	View precise location of 221.18.104.136 on the map!
221.18.104.134	View precise location of 221.18.104.134 on the map!
221.18.104.86	View precise location of 221.18.104.86 on the map!
221.18.104.8	View precise location of 221.18.104.8 on the map!
221.18.104.231	View precise location of 221.18.104.231 on the map!
221.18.104.82	View precise location of 221.18.104.82 on the map!

10 Random IPs

118.45.254.25	Find precise map location of 118.45.254.25
45.175.173.217	Find precise map location of 45.175.173.217
243.217.92.221	Find precise map location of 243.217.92.221
213.207.239.89	Find precise map location of 213.207.239.89
104.222.35.187	Find precise map location of 104.222.35.187
147.209.146.106	Find precise map location of 147.209.146.106
94.86.35.60	Find precise map location of 94.86.35.60
216.168.52.147	Find precise map location of 216.168.52.147
49.5.202.182	Find precise map location of 49.5.202.182
181.6.54.91	Find precise map location of 181.6.54.91
228.174.37.198	Find precise map location of 228.174.37.198

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