221.166.105 is a class C of IPs

Sample IPs from the class C 221.166.105

221.166.105.113	View precise location of 221.166.105.113 on the map!
221.166.105.181	View precise location of 221.166.105.181 on the map!
221.166.105.167	View precise location of 221.166.105.167 on the map!
221.166.105.36	View precise location of 221.166.105.36 on the map!
221.166.105.129	View precise location of 221.166.105.129 on the map!
221.166.105.197	View precise location of 221.166.105.197 on the map!
221.166.105.109	View precise location of 221.166.105.109 on the map!
221.166.105.155	View precise location of 221.166.105.155 on the map!
221.166.105.158	View precise location of 221.166.105.158 on the map!
221.166.105.194	View precise location of 221.166.105.194 on the map!
221.166.105.165	View precise location of 221.166.105.165 on the map!

10 Random IPs

53.63.130.212	Find precise map location of 53.63.130.212
198.102.43.172	Find precise map location of 198.102.43.172
111.214.192.217	Find precise map location of 111.214.192.217
146.112.118.51	Find precise map location of 146.112.118.51
128.165.87.105	Find precise map location of 128.165.87.105
201.46.215.114	Find precise map location of 201.46.215.114
109.216.170.182	Find precise map location of 109.216.170.182
197.212.152.79	Find precise map location of 197.212.152.79
169.225.184.218	Find precise map location of 169.225.184.218
112.34.73.89	Find precise map location of 112.34.73.89
67.146.49.25	Find precise map location of 67.146.49.25

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