100.66.67 is a class C of IPs

Sample IPs from the class C 100.66.67

100.66.67.76	View precise location of 100.66.67.76 on the map!
100.66.67.90	View precise location of 100.66.67.90 on the map!
100.66.67.68	View precise location of 100.66.67.68 on the map!
100.66.67.44	View precise location of 100.66.67.44 on the map!
100.66.67.225	View precise location of 100.66.67.225 on the map!
100.66.67.30	View precise location of 100.66.67.30 on the map!
100.66.67.46	View precise location of 100.66.67.46 on the map!
100.66.67.183	View precise location of 100.66.67.183 on the map!
100.66.67.34	View precise location of 100.66.67.34 on the map!
100.66.67.94	View precise location of 100.66.67.94 on the map!
100.66.67.121	View precise location of 100.66.67.121 on the map!

10 Random IPs

44.83.194.64	Find precise map location of 44.83.194.64
218.207.137.10	Find precise map location of 218.207.137.10
6.216.47.169	Find precise map location of 6.216.47.169
8.30.122.98	Find precise map location of 8.30.122.98
218.5.83.108	Find precise map location of 218.5.83.108
46.133.243.161	Find precise map location of 46.133.243.161
98.119.101.136	Find precise map location of 98.119.101.136
22.14.169.156	Find precise map location of 22.14.169.156
228.50.128.104	Find precise map location of 228.50.128.104
145.50.189.68	Find precise map location of 145.50.189.68
54.57.240.91	Find precise map location of 54.57.240.91

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