RE: Understanding IP class range.

I wrote this paper to help with my students when I am teaching Subnetting I
hope that you might find this a different way to look at networking.

David

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From: plug-discuss-bounces@lists.phxlinux.org
[mailto:plug-discuss-bounces@lists.phxlinux.org] On Behalf Of
parabellum7@yahoo.com
Sent: Monday, August 31, 2015 3:25 PM
To: plug-discuss@lists.phxlinux.org
Subject: Re: Understanding IP class range.


> Very nice Kenn!!

Thanks! Good to revisit this stuff from time to time, rattle the old
brain-box and make sure there's still something in there! :)


> Ok so if I had 192.168.1.0/25 the range would be 192.168.1.0 -
> 192.168.1.127

Yes.



> /26 would be 192.168.1.0 - 192.168.1.192 ?  or is it 192.168.1.0 -
192.168.1.64 ?

/26 would yield 192.168.1.0 - 192.168.1.63



> Not sure how to make a net mask out of 192.168.1.0/25 - would it be
255.255.255.128?

Yes



The calculator Daniel provided is good:

http://www.subnet-calculator.com/cidr.php


The one kitepilot provided is also nice because it illustrates the full
binary.

http://jodies.de/ipcalc


They're neet to play with and better than others I've seen. I've bookmarked
both, thanks for sharing these resources.


--Kenn


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