On Sun, 31 Jan 1999, Alexander Feldman wrote:
> This is the number of 1's in the binary representatin of the netmask.
> For example /24 is equal to 255.255.255.0 or
> 1111111111111111111111111111111100000000.
I dont think so...../x or /24.../27 .../8...etc..is the number of network
bits from left to right...
for classful ip's.....
Class A:
nnnnnnnn.hhhhhhhh.hhhhhhhh.hhhhhhhh so we have /8
class B:
nnnnnnnn.nnnnnnnn.hhhhhhhh.hhhhhhhh so we have /16
class C:
nnnnnnnn.nnnnnnnn.nnnnnnnn.hhhhhhhh so we have /24
if a class C were to have 8 subnets....we have to take 3 bits to the host
field..so it becomes...
nnnnnnnn.nnnnnnnn.nnnnnnnn.nnnhhhhh so we have /27
chow :)
>
> Rgds: Alexander Feldman
>
> Bruno Randolf wrote:
> >
> > could anyone explain to me what the /x notation (for example /24) means
> > when used with ip address spaces?
> > or point me to some good ressources, please.
> >
> > thanks,
> > Br1
> >
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