66.213.54 is a class C of IPs

Sample IPs from the class C 66.213.54

66.213.54.7	View precise location of 66.213.54.7 on the map!
66.213.54.74	View precise location of 66.213.54.74 on the map!
66.213.54.136	View precise location of 66.213.54.136 on the map!
66.213.54.174	View precise location of 66.213.54.174 on the map!
66.213.54.96	View precise location of 66.213.54.96 on the map!
66.213.54.190	View precise location of 66.213.54.190 on the map!
66.213.54.139	View precise location of 66.213.54.139 on the map!
66.213.54.11	View precise location of 66.213.54.11 on the map!
66.213.54.5	View precise location of 66.213.54.5 on the map!
66.213.54.170	View precise location of 66.213.54.170 on the map!
66.213.54.149	View precise location of 66.213.54.149 on the map!

10 Random IPs

135.112.233.41	Find precise map location of 135.112.233.41
148.133.59.95	Find precise map location of 148.133.59.95
215.196.191.171	Find precise map location of 215.196.191.171
239.106.53.50	Find precise map location of 239.106.53.50
210.102.142.202	Find precise map location of 210.102.142.202
14.171.187.131	Find precise map location of 14.171.187.131
156.198.80.100	Find precise map location of 156.198.80.100
63.236.196.126	Find precise map location of 63.236.196.126
84.19.181.42	Find precise map location of 84.19.181.42
34.134.222.70	Find precise map location of 34.134.222.70
128.108.15.22	Find precise map location of 128.108.15.22

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