addrcomp - address compiler

SYNOPSIS

       addrcomp [-[hHodv]] [-f format] [filename]

DESCRIPTION

       Addrcomp is a filter to translate the list of ip addresses
       to aggregated form.  Input address list:

            192.168.4.1
            192.168.4.2
            192.168.4.3

       will be translated to following form.

            192.168.4.1
            192.168.4.2:255.255.255.254


       Addresses can described in several syntaxes.

            192.168.1.1
            192.168.4.0:255.255.254.0
            192.168.4.0/23
            192.168.*


       Also it understands the negative  notation  start  with  !
       following  address  range.   So  if  you  want  to exclude
       10.10.10.* subnet from overall 10.*  network,  it  can  be
       described as

            10.* !10.10.*

       and  the  output  will be complex affirmative address list
       like follwing:

            10.0.0.0:255.248.0.0
            10.8.0.0:255.254.0.0
            10.11.0.0:255.255.0.0
            10.12.0.0:255.252.0.0
            10.16.0.0:255.240.0.0
            10.32.0.0:255.224.0.0
            10.64.0.0:255.192.0.0
            10.128.0.0:255.128.0.0

       Exclude address is supporting scattered address like this.

            192.168.4/24 !192.168.4.{95,96,99-158,201-255}
            192.168/16 !192.168.{0-7}.*


       -f format
              Specify the format of address description.  If for-
              mat is "mask" or this option is omitted, aggregated
              address  range  is  described in address:mask nota-
              tion.  If format is "slash",  the  output  will  be
              like address/masklen;

       -d     Debug option.

       -o     Print  original  input  line  along  with converted
              line.  Original line is start with # character.

       -v     Print address bitmap for debugging.

BUGS

       Input address list should be sorted.

AUTHOR

       Kazumasa Utashiro <utashiro@iij.ad.jp>
       Internet Initiative Japan Inc.
       3-13 Kanda Nishiki-cho, Chiyoda-ku, Tokyo 101, Japan