CIDR (3)
CIDR Prefix Nr of hosts Equivalent Class Cs
/27 32 1/8
/26 64 1/4
/25 128 1/2
/24 256 1
/23 512 2
/22 1,024 4
/21 2,048 8
/20 4,096 16
/19 8,192 32
/18 16,384 64
/17 32,768 128
/16 65,536 256
/15 131,072 512
/14 262,144 1,024
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