You design a network with the following network addresses:
192.168.168.0
192.168.169.0
192.168.170.0
192.168.171.0
192.168.172.0
192.168.173.0
192.168.173.0
192.168.174.0
192.168.175.0
Which route address is the best summary of these network addresses?
A.
192.128.0.0/16
B.
192.128.168.0/21
C.
192.128.0.0/24
D.
192.128.171.128/3
E.
192.128.175.0/3