66.138.128 is a class C of IPs

Sample IPs from the class C 66.138.128

66.138.128.162	View precise location of 66.138.128.162 on the map!
66.138.128.44	View precise location of 66.138.128.44 on the map!
66.138.128.83	View precise location of 66.138.128.83 on the map!
66.138.128.100	View precise location of 66.138.128.100 on the map!
66.138.128.34	View precise location of 66.138.128.34 on the map!
66.138.128.27	View precise location of 66.138.128.27 on the map!
66.138.128.19	View precise location of 66.138.128.19 on the map!
66.138.128.28	View precise location of 66.138.128.28 on the map!
66.138.128.1	View precise location of 66.138.128.1 on the map!
66.138.128.206	View precise location of 66.138.128.206 on the map!
66.138.128.159	View precise location of 66.138.128.159 on the map!

10 Random IPs

230.87.199.69	Find precise map location of 230.87.199.69
85.236.13.148	Find precise map location of 85.236.13.148
89.219.83.107	Find precise map location of 89.219.83.107
95.23.235.156	Find precise map location of 95.23.235.156
70.33.154.241	Find precise map location of 70.33.154.241
179.51.232.245	Find precise map location of 179.51.232.245
107.186.228.135	Find precise map location of 107.186.228.135
47.8.112.48	Find precise map location of 47.8.112.48
233.123.24.56	Find precise map location of 233.123.24.56
126.13.172.186	Find precise map location of 126.13.172.186
66.103.89.250	Find precise map location of 66.103.89.250

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