Author: Sean Witham Date: To: Adam D. Barratt Subject: Re: [Exim] question about ACL
Adam D. Barratt wrote:
> Matthias Lewandowski wrote, Friday, December 12, 2003 10:32 AM
> [...]
>
>>/24 is marking the number of adresses matching.
>>It's the same as the netmask 255.255.255.0 (class-c)
>
>
> Well, aside from the fact that only a limited subset of /24s are Class Cs...
> (given that there are 256 /24s and only 32 Class Cs). :-)
>
err, no, there potentially 2^21 class C addresses, i.e. 192.0.0.0 -
223.255.255.255.
Obviously not all the potential address are available for allocation but
there are a lot more than 256 !!
