153.66.157 is a class C of IPs

Sample IPs from the class C 153.66.157

153.66.157.221	View precise location of 153.66.157.221 on the map!
153.66.157.84	View precise location of 153.66.157.84 on the map!
153.66.157.110	View precise location of 153.66.157.110 on the map!
153.66.157.208	View precise location of 153.66.157.208 on the map!
153.66.157.238	View precise location of 153.66.157.238 on the map!
153.66.157.43	View precise location of 153.66.157.43 on the map!
153.66.157.200	View precise location of 153.66.157.200 on the map!
153.66.157.167	View precise location of 153.66.157.167 on the map!
153.66.157.31	View precise location of 153.66.157.31 on the map!
153.66.157.139	View precise location of 153.66.157.139 on the map!
153.66.157.24	View precise location of 153.66.157.24 on the map!

10 Random IPs

249.217.92.96	Find precise map location of 249.217.92.96
245.92.189.207	Find precise map location of 245.92.189.207
235.200.174.38	Find precise map location of 235.200.174.38
145.143.217.70	Find precise map location of 145.143.217.70
52.240.132.108	Find precise map location of 52.240.132.108
36.235.28.243	Find precise map location of 36.235.28.243
82.234.104.202	Find precise map location of 82.234.104.202
134.136.171.222	Find precise map location of 134.136.171.222
148.85.155.199	Find precise map location of 148.85.155.199
180.189.213.105	Find precise map location of 180.189.213.105
184.53.167.109	Find precise map location of 184.53.167.109

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