224.218.81 is a class C of IPs

Sample IPs from the class C 224.218.81

224.218.81.155	View precise location of 224.218.81.155 on the map!
224.218.81.46	View precise location of 224.218.81.46 on the map!
224.218.81.65	View precise location of 224.218.81.65 on the map!
224.218.81.221	View precise location of 224.218.81.221 on the map!
224.218.81.38	View precise location of 224.218.81.38 on the map!
224.218.81.233	View precise location of 224.218.81.233 on the map!
224.218.81.93	View precise location of 224.218.81.93 on the map!
224.218.81.152	View precise location of 224.218.81.152 on the map!
224.218.81.249	View precise location of 224.218.81.249 on the map!
224.218.81.121	View precise location of 224.218.81.121 on the map!
224.218.81.203	View precise location of 224.218.81.203 on the map!

10 Random IPs

193.70.3.148	Find precise map location of 193.70.3.148
111.73.2.215	Find precise map location of 111.73.2.215
17.116.83.158	Find precise map location of 17.116.83.158
199.252.121.149	Find precise map location of 199.252.121.149
242.206.107.95	Find precise map location of 242.206.107.95
217.83.17.98	Find precise map location of 217.83.17.98
1.92.91.109	Find precise map location of 1.92.91.109
104.213.79.254	Find precise map location of 104.213.79.254
146.27.199.191	Find precise map location of 146.27.199.191
177.77.37.121	Find precise map location of 177.77.37.121
142.65.186.118	Find precise map location of 142.65.186.118

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