[123362] in North American Network Operators' Group
Re: IP4 Space
daemon@ATHENA.MIT.EDU (Owen DeLong)
Fri Mar 5 13:44:51 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <FA2E47FFA50291418803D2E7C1DF07F30A6A6D6B@SDEXCL01.Proflowers.com>
Date: Sat, 6 Mar 2010 02:38:24 +0800
To: "Thomas Magill" <tmagill@providecommerce.com>
Cc: nanog@merit.edu
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mar 6, 2010, at 2:06 AM, Thomas Magill wrote:
>> According to ARIN, _IF_ you meet their requirements for obtaining an
> IPv4
>> block, then, you ALSO automatically meet their requirements for
> obtaining
>> an IPv6 block.
>=20
> Thank you for the clarification. I am obviously in the very early =
stage
> of planning IPv6 for our company with hopes of at least having peers =
up
> this summer after our peak holiday season (mothers day). I would =
prefer
> to get an ARIN block so that we feel less locked down to a provider by
> using their space. =20
>=20
Seems reasonable. That's precisely why I created the original and =
co-authored
the final version of the first Provider Independent End-User IPv6 =
policy.
>> However, there is a specific block being used to issue ARIN end-user
>> assignments, and, many ISPs filter that more liberally (/48) than =
they
>> filter blocks used for allocation (/32). As such, your customers who
> are
>> multihomed _MAY_ have a better chance of having their prefix seen if
>> they use an ARIN direct assignment.
>=20
> So what seems to be the standard for the longest advertised prefix for
> v6 (compared to /24 for v4)? If I get a /48 from ARIN how many
> non-aggregated prefixes should I expect to have? This sounds like you
> are saying /48 is as specific at it would get.
Uh, 1.
If you need multiple discreet networks, you should probably get a /48 =
for
each of them from ARIN.
Owen
