You are configuring the IP addressing for your network. One of the subnets has been defined with addresses already. You run ifconfig on a host and determine that it has an address of 172.18.32.54 with a mask of 255.255.254.0. What is the network ID to which this host belongs?

A.
172.18.0.0

B.
0.0.32.0

C.
172.0.0.0

D.
172.18.32.32

E.
172.18.32.0