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subnetting question

carl_townshend
Spotlight
Spotlight

‎03-31-2009 09:00 AM - edited ‎03-06-2019 04:55 AM

Hi all, whats the easiest way of working this out ?

How many subnets are gained by subnetting 172.17.32.0/20 into multiple /28 subnets?

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viyuan700
Level 5
Level 5

‎03-31-2009 09:20 AM

172.17.32.0/20 have 4094 hosts.

You are borrowing 8 bits to subnet further in /28

2 power 8= 256.

Now you have 256 more /28 subnets each having 14 host

e.g

172.17.32.0

172.17.32.16

etc

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