Tuesday, September 29, 2009

Subnetting Chart

Class C


Mask  Notation  Subnets  Hosts 
255.255.255.0/241256
255.255.255.128/252128
255.255.255.192/26464
255.255.255.224/27832
255.255.255.240/281616
255.255.255.248/29328
255.255.255.252/30644
255.255.255.254/311282
255.255.255.255/322561

Class B


Mask Notation  Subnets  Hosts 
255.255.0.0/16265,536
255.255.128.0/17232,768
255.255.192.0/18416,384
255.255.224.0/1988,192
255.255.240.0/20164,096
255.255.248.0/21322,048
255.255.252.0/22641,024
255.255.254.0/23128512
255.255.255.0/24256256

Class A


Mask Notation  Subnets  Hosts 
255.0.0.0/8116,777,216
255.128.0.0/928,388,608
255.192.0.0/1044,194,304
255.224.0.0/1182,097,152
255.240.0.0/12161,048,576
255.248.0.0/1332524,288
255.252.0.0/1464262,144
255.254.0.0/15128131,072
255.255.0.0/1625665,536

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