56.66.65 is a class C of IPs

Sample IPs from the class C 56.66.65

56.66.65.201	View precise location of 56.66.65.201 on the map!
56.66.65.18	View precise location of 56.66.65.18 on the map!
56.66.65.132	View precise location of 56.66.65.132 on the map!
56.66.65.253	View precise location of 56.66.65.253 on the map!
56.66.65.175	View precise location of 56.66.65.175 on the map!
56.66.65.37	View precise location of 56.66.65.37 on the map!
56.66.65.109	View precise location of 56.66.65.109 on the map!
56.66.65.122	View precise location of 56.66.65.122 on the map!
56.66.65.154	View precise location of 56.66.65.154 on the map!
56.66.65.49	View precise location of 56.66.65.49 on the map!
56.66.65.129	View precise location of 56.66.65.129 on the map!

10 Random IPs

56.40.89.141	Find precise map location of 56.40.89.141
128.235.40.145	Find precise map location of 128.235.40.145
174.174.102.37	Find precise map location of 174.174.102.37
123.3.158.253	Find precise map location of 123.3.158.253
226.54.86.32	Find precise map location of 226.54.86.32
231.176.83.17	Find precise map location of 231.176.83.17
165.26.221.77	Find precise map location of 165.26.221.77
187.145.163.119	Find precise map location of 187.145.163.119
192.233.130.85	Find precise map location of 192.233.130.85
16.242.106.179	Find precise map location of 16.242.106.179
191.254.227.177	Find precise map location of 191.254.227.177

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