[address-policy-wg] 2014-03 Review Period extended until 19 May 2015 (Remove Multihoming Requirement for AS Number Assignments)
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David Huberman
David.Huberman at microsoft.com
Wed May 20 19:15:11 CEST 2015
Per ARIN's statistics, there were 416 4-byte ASNs issued in CY2014. 12 were returned to ARIN as non-useable. That means that here, on May 20 2015, we should see most of the 404 4-byte ASNs registered in some copy of the DFZ. So let's see! Methodology: - I downloaded 'delegated-arin-extended-latest', today's extended file - I found exactly 421 4-byte ASNs with a registration date in 2014. - I hopped on a Microsoft router and did: show route advertising-protocol bgp [our IP address] aspath-regex ".*(65536-4294967295).*" Interestingly, we found 39,293 prefixes announced or transiting 4-byte ASNs. That's a lot more than expected. - I then looked for all 421 registered 4-byte ASNs from CY2014 in the routing table. Results: 289 4-byte ASNs were found in my company's copy of the DFZ (69%) 132 4-byte ASNs were NOT found (31%) David R Huberman Principal, Global IP Addressing Microsoft Corporation > -----Original Message----- > From: Gert Doering [mailto:gert at space.net] > Sent: Tuesday, May 19, 2015 11:45 AM > To: David Huberman > Cc: address-policy-wg at ripe.net > Subject: Re: [address-policy-wg] 2014-03 Review Period extended until 19 > May 2015 (Remove Multihoming Requirement for AS Number Assignments) > > Hi, > > On Tue, May 19, 2015 at 04:32:42PM +0000, David Huberman wrote: > > Each of these organizations stated issues with their transit providers > > either unwilling or unable to accept the use of a 4-byte AS number by > > a customer. > > I can see that transit providers might not be able to use 4-byte AS for their > own network (because communities in <AS>:<action> notation just do not > work then), but transit providers refusing customers with 4-byte ASNs in, > what, 2014, is so totally lame... > > Thanks, David, for the update, though! > > Gert Doering > -- proud holder of AS3.3 (AS196611 nowadays, far less pretty) > -- > have you enabled IPv6 on something today...? > > SpaceNet AG Vorstand: Sebastian v. Bomhard > Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann > D-80807 Muenchen HRB: 136055 (AG Muenchen) > Tel: +49 (0)89/32356-444 USt-IdNr.: DE813185279
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