nanog mailing list archives
Re: Multi-6 [WAS: OT - Vint Cerf joins Google]
From: "Patrick W. Gilmore" <patrick () ianai net>
Date: Sun, 11 Sep 2005 13:09:50 -0400
On Sep 11, 2005, at 12:51 PM, David Conrad wrote:
On Sep 11, 2005, at 12:52 AM, Richard A Steenbergen wrote:This says that although there are 170k prefixes on the Internet, there are only 20k entities who actually need to announce IP space. There is onlyone explanation for such a large difference (8.5x) between these two numbers, namely that people who are announcing IP space need multiple blocks in order to accomodate their needs.This is an interesting assertion. I thought the majority of announced prefixes was due to folks punching holes in their registry allocated blocks in order to do traffic engineering of one form of another (multi-homing being a form of traffic engineering).Can you point at the data which backs up your assertion (I'm not disputing it, just a curious)?
How about the CIDR report? Notice that even with maximal aggregation per AS, the average AS still announces multiple blocks.
It's really not that hard to see if you spend some time perusing the full table.
-- TTFN, patrick
Current thread:
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google], (continued)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Iljitsch van Beijnum (Sep 13)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] John Payne (Sep 13)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Christopher L. Morrow (Sep 13)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Marshall Eubanks (Sep 12)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Christian Kuhtz (Sep 13)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Christopher L. Morrow (Sep 13)
- SHIM6 (Was: Multi-6) Michael . Dillon (Sep 14)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Tony Li (Sep 12)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Richard A Steenbergen (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] David Conrad (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Patrick W. Gilmore (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Richard A Steenbergen (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Bruce Campbell (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] David Barak (Sep 13)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Tony Li (Sep 13)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Christopher L. Morrow (Sep 10)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Joe Abley (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] JORDI PALET MARTINEZ (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Steven M. Bellovin (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Christopher L. Morrow (Sep 11)
- Re: Multi-6 [WAS: OT - Vint Cerf joins Google] Daniel Senie (Sep 13)