how many BGP routers, how many ASes

Wed May 13 16:43:33 UTC 2009

On Wed, 13 May 2009 16:53:11 BST, Irfan Zakiuddin said:

> 1.  ASes there are in the world today?

The weekly routing table summary posted here will give you a good approximation,
but it does not include AS's that aren't announced on the public Internet. This
may or may not be an issue, depending what you are doing with the numbers (for
instance, allocated but not announced ASs may not matter if you're looking at
BGP performance - but they *do* matter if you're trying to estimate a drop-dead
date for 32-bit ASN deployment).
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