nanog mailing list archives

Re: Indonesian ISP Moratel announces Google's prefixes


From: Anurag Bhatia <me () anuragbhatia com>
Date: Wed, 7 Nov 2012 11:59:10 +0530

Apologize for calling it an prefix hijack. I misunderstood in start.
Clearly it was case of prefix leaking.

Thanks


(Sent from my mobile device)

Anurag Bhatia
http://anuragbhatia.com
On Nov 7, 2012 11:22 AM, "joel jaeggli" <joelja () bogus com> wrote:

On 11/7/12 12:13 AM, Patrick W. Gilmore wrote:

On Nov 07, 2012, at 00:07 , Jian Gu <guxiaojian () gmail com> wrote:

 Where did you get the idea that a Moratel customer announced a
google-owned
prefix to Moratel and Moratel did not have the proper filters in place?
according to the blog, all google's 4 authoritative DNS server networks
and
8.8.8.0/24 were wrongly routed to Moratel, what's the possiblity for a
Moratel customers announce all those prefixes?

Ah, right, they just leaked Google's prefix.  I thought a customer
originated the prefix.

Original question still stands.  Which attribute do you expect Google to
set to stop this?

Hint: Don't say No-Advertise, unless you want peers to only talk to the
adjacent AS, not their customers or their customers' customers, etc.

Looking forward to your answer.


I would expect that moratel should have a route object which their transit
providers can construct a prefix filter for. if moratel advertised an AS
path including themselves and a google  orgin pccw should not have accepted
it. if they originated the prefix, pccw should not have accepted it.





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