216.224.81 is a class C of IPs

Sample IPs from the class C 216.224.81

216.224.81.221	View precise location of 216.224.81.221 on the map!
216.224.81.145	View precise location of 216.224.81.145 on the map!
216.224.81.118	View precise location of 216.224.81.118 on the map!
216.224.81.156	View precise location of 216.224.81.156 on the map!
216.224.81.41	View precise location of 216.224.81.41 on the map!
216.224.81.47	View precise location of 216.224.81.47 on the map!
216.224.81.54	View precise location of 216.224.81.54 on the map!
216.224.81.194	View precise location of 216.224.81.194 on the map!
216.224.81.171	View precise location of 216.224.81.171 on the map!
216.224.81.227	View precise location of 216.224.81.227 on the map!
216.224.81.169	View precise location of 216.224.81.169 on the map!

10 Random IPs

216.27.102.155	Find precise map location of 216.27.102.155
53.225.25.238	Find precise map location of 53.225.25.238
16.117.6.156	Find precise map location of 16.117.6.156
198.4.113.184	Find precise map location of 198.4.113.184
216.153.125.207	Find precise map location of 216.153.125.207
206.78.80.227	Find precise map location of 206.78.80.227
91.113.9.11	Find precise map location of 91.113.9.11
239.53.31.1	Find precise map location of 239.53.31.1
113.210.206.106	Find precise map location of 113.210.206.106
237.140.152.34	Find precise map location of 237.140.152.34
36.32.199.227	Find precise map location of 36.32.199.227

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