[AusNOG] OT: AS_PATH prepend (was: Re: Largest IP Backbone)

[Steven Lisson]

Anyone ever tried to apply 6 degrees of separation to BGP taking out any
artificial lengthening? I am drunk and not up to trying to validate
anything I say atm but I think if put more than say around 4 prepends on
any path it is going to be longer than any legitimate path and would
like to see someone more sober than me try it while I sleep off a
hangover :).

Having said that, how many AS hops do I have to say Bill Gates, Steve
Jobs, etc and who will say hi to them for me <g>

---
Footnote: who needs Ausnog drinks to get drunk? Plenty of other reasons
to do it!

-----Original Message-----
From: ausnog-bounces at lists.ausnog.net
[mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Dale Shaw
Sent: Friday, 1 May 2009 3:39 PM
To: ausnog at ausnog.net
Subject: [AusNOG] OT: AS_PATH prepend (was: Re: Largest IP Backbone)

Hi,

On Fri, May 1, 2009 at 2:05 PM, Bill Walker
<Bill.Walker at staff.snap.net.nz> wrote:
>
> http://www.cymru.com/BGP/summary.html

Wow, these guys (and many more like them) reeeaallly like AS_PATH
prepending.

203.124.25.0/24 [peer013] 22335 11537 3549 8966 8966 8961 38193 38264
45127 45127 45127 45127 45127 45127 45127 45127 45127 45127 45127
45127 45127 45127 45127 45127 45127 45127 45127 45127 45127 45127
45127 45127 45127 45127 45127 i

inetnum:      203.124.24.0 - 203.124.31.255
netname:      WARIDTELECOM
descr:        WARID Telecom is a GSM service provider in Pakistan.
country:      PK

WHY? (surely they haven't done this to tip the balance somewhere many
AS hops away?)

cheers,
Dale
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