66.109.129 is a class C of IPs

Sample IPs from the class C 66.109.129

66.109.129.12	View precise location of 66.109.129.12 on the map!
66.109.129.133	View precise location of 66.109.129.133 on the map!
66.109.129.170	View precise location of 66.109.129.170 on the map!
66.109.129.231	View precise location of 66.109.129.231 on the map!
66.109.129.64	View precise location of 66.109.129.64 on the map!
66.109.129.11	View precise location of 66.109.129.11 on the map!
66.109.129.23	View precise location of 66.109.129.23 on the map!
66.109.129.214	View precise location of 66.109.129.214 on the map!
66.109.129.108	View precise location of 66.109.129.108 on the map!
66.109.129.169	View precise location of 66.109.129.169 on the map!
66.109.129.42	View precise location of 66.109.129.42 on the map!

10 Random IPs

50.53.238.190	Find precise map location of 50.53.238.190
148.8.227.114	Find precise map location of 148.8.227.114
254.198.199.15	Find precise map location of 254.198.199.15
221.38.89.114	Find precise map location of 221.38.89.114
247.151.11.157	Find precise map location of 247.151.11.157
141.140.146.184	Find precise map location of 141.140.146.184
158.136.50.100	Find precise map location of 158.136.50.100
88.229.115.63	Find precise map location of 88.229.115.63
78.67.229.92	Find precise map location of 78.67.229.92
150.232.13.109	Find precise map location of 150.232.13.109
181.168.248.185	Find precise map location of 181.168.248.185

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