address match list syntaxs

Will Yardley william+dns at
Sun Oct 7 21:24:03 UTC 2001

JOHNSON, ERIK *Internet* (PBI) wrote:
> Using CIDR, you can write it out this way:
> acl mylocalsubnets {; }; 
> /19  =   32 Class C's  
> Since you mention 30 Class C's and not 32, you can just disallow the last
> two.

the command line tool 'cidr' is pretty useful for this sort of thing,
especially if you're bad at math like i am!

aura% cidr

ip address..........:

network address.....:
broadcast address...:

please wait while host addresses are validated...

total host addresses:  8190

GPG Public Key:

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