What is the most efficient Class C IP subnet that allows for at least 67 usable host addresses?
A.
192.168.67.0 255.255.128.0
B.
172.16.100.0 255.255.255.128
C.
192.168.100.0 255.255.255.128
D.
10.100.100.0 255.255.255.128
E.
172.16.67.0 255.255.128.0
F.
10.100.67.0 255.255.128.0