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Re: IPv6 subnet calculators?

daemon@ATHENA.MIT.EDU (leo vegoda)
Thu Feb 13 07:37:59 2003

Date: Thu, 13 Feb 2003 13:35:55 +0100
To: nanog@merit.edu
From: leo vegoda <leo@ripe.net>
In-Reply-To: <32EEB28BC317EE4AB4A00685BA7266A3D7F613@webacct.nt.cetlink.net>
Errors-To: owner-nanog-outgoing@merit.edu


Jeffrey Wheat <jeff@cetlink.net> writes:
>
>I am trying to find an IPv6 subnet calculator or even a "cheat sheet" that
>will help show how a /32 allocation is broken down into /40, /48 and /64
>subnets. Has anyone found such a tool? I have been using the NorthStar
>web based database tool for dealing with my IPv4 allocations. While the
>author has mentioned support for IPv6 in the future, I am trying to get
>things rolling now. Any information is greatly appreciated.

Try the Net::IP perl module on CPAN. It comes with a nifty little script
that lets you cut the original prefix into a set of smaller prefixes.

Regards,

-- 
leo vegoda
RIPE NCC
Registration Services

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