Understanding IP class range.

[Keith Smith]

Thanks!!


On 2015-08-31 15:24, parabellum7 at yahoo.com wrote:
>> 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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-- 
Keith Smith