[lug] /8 or /24 ?

Hugh Brown hugh at vecna.com
Tue Jul 16 14:07:50 MDT 2002


On Tue, 2002-07-16 at 15:57, j davis wrote:
> hello,
>   Not to long ago my friend help me understand subnets....but i 
> forgot...damn!
>   to express this 209.155.161.1-254 could i say
>   209.155.161.0/8 or would it be /24. I know i should know this..:(


/24

if you write out the subnet mask in bits, you end up with 24 1's
followed by 8 0's.

(255.255.255.0 is 11111111 11111111 11111111 00000000)

Hugh



> 
> thanks,
> jd
> 
> jd at taproot.bz
> http://www.taproot.bz
> 
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