Part 4: Choosing the right subnet For this part, you will choose the right prefix length (the number after the slash in CIDR notation). You will be given a number of hosts, and you will choose the right size prefix to fit the hosts as closely as possible. Assume each network must be routed, so you need one more address for a default gateway. Computers Prefix Length Subnet Mask 23 255.255.254.0 12 30 255 200