221.206.16 is a class C of IPs

Sample IPs from the class C 221.206.16

221.206.16.248	View precise location of 221.206.16.248 on the map!
221.206.16.74	View precise location of 221.206.16.74 on the map!
221.206.16.191	View precise location of 221.206.16.191 on the map!
221.206.16.8	View precise location of 221.206.16.8 on the map!
221.206.16.245	View precise location of 221.206.16.245 on the map!
221.206.16.216	View precise location of 221.206.16.216 on the map!
221.206.16.82	View precise location of 221.206.16.82 on the map!
221.206.16.34	View precise location of 221.206.16.34 on the map!
221.206.16.180	View precise location of 221.206.16.180 on the map!
221.206.16.130	View precise location of 221.206.16.130 on the map!
221.206.16.87	View precise location of 221.206.16.87 on the map!

10 Random IPs

14.164.221.124	Find precise map location of 14.164.221.124
31.100.64.238	Find precise map location of 31.100.64.238
185.119.1.160	Find precise map location of 185.119.1.160
58.178.87.143	Find precise map location of 58.178.87.143
58.78.46.255	Find precise map location of 58.78.46.255
116.210.4.100	Find precise map location of 116.210.4.100
205.229.45.41	Find precise map location of 205.229.45.41
190.230.94.160	Find precise map location of 190.230.94.160
164.200.60.207	Find precise map location of 164.200.60.207
162.84.230.203	Find precise map location of 162.84.230.203
165.216.110.145	Find precise map location of 165.216.110.145

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