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Last active June 17, 2016 06:17
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How Subnets work
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subnets.md

How subnets work

Each number in the ip address represents binary octets.

00000101 01101000 00000000 00000000
128|64|32|16|8|4|2|1

// these are the same. 32 represents all 4 blocks in the ip
10.119.12.123
10.119.12.123/32

// these are the same. 16 represents half (2) the blocks in the ip
10.119.121.187/16
10.119.121.187/255.255.0.0
11111111 11111111 00000000 00000000

// how 17 would be represented in the ip
10.119.121.187/17
10.119.121.187/255.255.128.0
11111111 11111111 10000000 00000000
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