nanog mailing list archives

Re: [anti-abuse-wg] Yet another BGP hijacking towards AS16509


From: Siyuan Miao <siyuan () misaka io>
Date: Tue, 23 Aug 2022 04:05:16 +0200

Amazon was only announcing 44.224.0.0/11 at first.

https://bgp.tools/prefix/44.235.216.0/24

On Tue, Aug 23, 2022 at 4:03 AM Ronald F. Guilmette <rfg () tristatelogic com>
wrote:

In message <
CAO3CAMoT9gC_Evd-CcZg06A-o_MajmLtxLHbXFnauDoMyqoSYg () mail gmail com>,
Siyuan Miao <siyuan () misaka io> wrote:

Hjacking didn't last too long. AWS started announcing a more specific
announcement to prevent hijacking around 3 hours later. Kudos to Amazon's
security team :-)

Sorry.  I'm missing something here.  If the hijack was of 44.235.216.0/24,
then
how did AWS propagate a "more specific" than that?


Regards,
rfg

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