223.128.81 is a class C of IPs

Sample IPs from the class C 223.128.81

223.128.81.60	View precise location of 223.128.81.60 on the map!
223.128.81.24	View precise location of 223.128.81.24 on the map!
223.128.81.98	View precise location of 223.128.81.98 on the map!
223.128.81.189	View precise location of 223.128.81.189 on the map!
223.128.81.164	View precise location of 223.128.81.164 on the map!
223.128.81.34	View precise location of 223.128.81.34 on the map!
223.128.81.41	View precise location of 223.128.81.41 on the map!
223.128.81.204	View precise location of 223.128.81.204 on the map!
223.128.81.33	View precise location of 223.128.81.33 on the map!
223.128.81.132	View precise location of 223.128.81.132 on the map!
223.128.81.70	View precise location of 223.128.81.70 on the map!

10 Random IPs

205.126.188.194	Find precise map location of 205.126.188.194
108.161.243.76	Find precise map location of 108.161.243.76
149.19.25.138	Find precise map location of 149.19.25.138
237.95.46.45	Find precise map location of 237.95.46.45
41.25.17.2	Find precise map location of 41.25.17.2
101.24.125.60	Find precise map location of 101.24.125.60
113.227.207.123	Find precise map location of 113.227.207.123
96.249.83.174	Find precise map location of 96.249.83.174
174.207.88.124	Find precise map location of 174.207.88.124
69.236.63.40	Find precise map location of 69.236.63.40
245.176.59.109	Find precise map location of 245.176.59.109

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