66.187.89 is a class C of IPs

Sample IPs from the class C 66.187.89

66.187.89.153	View precise location of 66.187.89.153 on the map!
66.187.89.225	View precise location of 66.187.89.225 on the map!
66.187.89.23	View precise location of 66.187.89.23 on the map!
66.187.89.47	View precise location of 66.187.89.47 on the map!
66.187.89.221	View precise location of 66.187.89.221 on the map!
66.187.89.115	View precise location of 66.187.89.115 on the map!
66.187.89.32	View precise location of 66.187.89.32 on the map!
66.187.89.181	View precise location of 66.187.89.181 on the map!
66.187.89.8	View precise location of 66.187.89.8 on the map!
66.187.89.36	View precise location of 66.187.89.36 on the map!
66.187.89.203	View precise location of 66.187.89.203 on the map!

10 Random IPs

147.143.247.157	Find precise map location of 147.143.247.157
23.143.240.196	Find precise map location of 23.143.240.196
18.139.188.144	Find precise map location of 18.139.188.144
97.188.59.13	Find precise map location of 97.188.59.13
119.148.215.107	Find precise map location of 119.148.215.107
21.73.203.100	Find precise map location of 21.73.203.100
153.17.49.72	Find precise map location of 153.17.49.72
58.228.86.221	Find precise map location of 58.228.86.221
70.227.59.180	Find precise map location of 70.227.59.180
180.145.192.33	Find precise map location of 180.145.192.33
229.227.202.112	Find precise map location of 229.227.202.112

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