[address-policy-wg] PI vs PA in routing table

Iljitsch van Beijnum wrote:
> Ok a bit late but maybe this is useful:
> 
> - there is no easy way to distinguish between a PI and a PA prefix

RIPE (and other RIRs) DB?

> - increase in RIR delegations last year was about 6%, increase in
> advertised prefixes around 16%
> 
> - there are less than 20000 AS numbers and some 180000 prefixes, so at
> least 160000 of these prefixes aren't the result of multihoming as such
> (although multihomers can also advertise more than one prefix for
> traffic engineering reasons or no reason at all of course)
> 
> (If multihoming is going to be a problem then look at AS numbers, the
> ASes used by ISPs won't be significant in that case)

This is not PI specific, as I can see. There is a lot of PA holders
(LIRs) having just one uplink channel.

-- 
WBR,
Max Tulyev (MT6561-RIPE, 2:463/253 at FIDO)