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Date:      7 Apr 2011 16:57:15 -0000
From:      "John Levine" <johnl@iecc.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Merging CIDR lists
Message-ID:  <20110407165715.90743.qmail@joyce.lan>
In-Reply-To: <alpine.BSF.2.00.1104071026040.41686@wonkity.com>

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In article <alpine.BSF.2.00.1104071026040.41686@wonkity.com> you write:
>Does anyone have a convenient way to merge a list of CIDR netblocks?

Using Net::CIDR or Net::CIDR::Lite, both of which are in the ports,
this script will do it:

----- snip -----
use Net::CIDR;

print join(' ',Net::CIDR::cidradd(@ARGV)) . "\n";
----- snip -----



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