[182343] in North American Network Operators' Group
Re: Dual stack IPv6 for IPv4 depletion
daemon@ATHENA.MIT.EDU (joel jaeggli)
Wed Jul 15 11:15:11 2015
X-Original-To: nanog@nanog.org
To: Baldur Norddahl <baldur.norddahl@gmail.com>,
"nanog@nanog.org" <nanog@nanog.org>
From: joel jaeggli <joelja@bogus.com>
Date: Wed, 15 Jul 2015 08:14:52 -0700
In-Reply-To: <CAPkb-7AV0PMCkstBqVA18p72SSkex+D4==3WXnGN2wQ0pz3VHA@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org
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On 7/15/15 3:43 AM, Baldur Norddahl wrote:
> On 15 July 2015 at 01:34, Owen DeLong <owen@delong.com> wrote:
>=20
>> For one thing a /32 is nowhere near enough for anything bigger than a
>> modest ISP today. Many will need /28, /24, or even larger. The biggest=
ones
>> probably need /16 or even /12 in some cases.
>>
>=20
> What is the definition of a modest and a large ISP?
>=20
> In the RIPE region even the smallest ISP can get a /29 with no
> documentation necessary. But likely that is all they will ever get beca=
use
> policy requires that you use that /29 at about 30% efficiency if you do=
/48
> allocations to end users.
>=20
> You would need more than a million users to get a /24.
>=20
> I do not think the RIPE region has an ISP large enough to apply for a /=
16
> or anything near it.
there are 4 organizations that originate something on the order of a /19
1 AS7922 ORG+TRN Originate: 36318243454976 /18.95 Transit:
38476054528 /28.84 COMCAST-7922 - Comcast Cable Communications, Inc.,US
2 AS3320 ORG+TRN Originate: 35219269156864 /19.00 Transit:
569424150528 /24.95 DTAG Deutsche Telekom AG,DE
3 AS5511 ORG+TRN Originate: 35188667187200 /19.00 Transit:
17818772963328 /19.98 OPENTRANSIT Orange S.A.,FR
4 AS17676 ORG+TRN Originate: 18695992639488 /19.91 Transit:
12885032960 /30.42 GIGAINFRA Softbank BB Corp.,JP
> Therefore we can conclude that if ARIN manages to use up all the /3 add=
ress
> space currently reserved for allocation, we will still be able to get
> address space in Europe for the next thousands years :-). It is thought=
> that RIPE will not use up the /12 that IANA allocated to RIPE - ever.
>=20
> Personally I believe the ARIN policy is the sane one. But we need to ab=
ide
> by the rules in the region we live in.
>=20
> Regards,
>=20
> Baldur
>=20
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