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Re: anyone has netrange -> cidr conversion script to share?

  • From: Stephane Bortzmeyer
  • Date: Fri Jun 13 10:07:48 2003

On Wed, Jun 11, 2003 at 11:12:54PM -0700,
 william@elan.net <william@elan.net> wrote 
 a message of 12 lines which said:

>  Does anyone here has a script (or perl procedure) for converting range 
> of ips (i.e. 10.0.0.0 - 10.0.2.255) into cidr (i.e. result would be 
> 10.0.0.0/23,10.0.2.0/24 from the example before). 

netmask (available as a Debian package or a FreeBSD port)

~ % netmask -c 10.0.0.0:10.0.2.255 
       10.0.0.0/23
       10.0.2.0/24





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