66.243.144 is a class C of IPs

Sample IPs from the class C 66.243.144

66.243.144.40	View precise location of 66.243.144.40 on the map!
66.243.144.97	View precise location of 66.243.144.97 on the map!
66.243.144.160	View precise location of 66.243.144.160 on the map!
66.243.144.118	View precise location of 66.243.144.118 on the map!
66.243.144.69	View precise location of 66.243.144.69 on the map!
66.243.144.55	View precise location of 66.243.144.55 on the map!
66.243.144.145	View precise location of 66.243.144.145 on the map!
66.243.144.79	View precise location of 66.243.144.79 on the map!
66.243.144.182	View precise location of 66.243.144.182 on the map!
66.243.144.20	View precise location of 66.243.144.20 on the map!
66.243.144.11	View precise location of 66.243.144.11 on the map!

10 Random IPs

54.85.104.90	Find precise map location of 54.85.104.90
8.31.35.110	Find precise map location of 8.31.35.110
155.189.254.143	Find precise map location of 155.189.254.143
222.108.60.12	Find precise map location of 222.108.60.12
233.136.109.172	Find precise map location of 233.136.109.172
254.105.131.6	Find precise map location of 254.105.131.6
63.45.238.168	Find precise map location of 63.45.238.168
57.48.47.61	Find precise map location of 57.48.47.61
22.151.64.186	Find precise map location of 22.151.64.186
151.193.51.2	Find precise map location of 151.193.51.2
162.67.173.68	Find precise map location of 162.67.173.68

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