IPv4 and IPv6 hijacking by AS 6

• Subject: IPv4 and IPv6 hijacking by AS 6
• From: randy at psg.com (Randy Bush)
• Date: Fri, 13 Apr 2018 14:35:07 -0700
• In-reply-to: <[email protected]>
• References: <CA[email protected]> <15[email protected]> <CA[email protected]> <CA[email protected]> <CA[email protected]> <[email protected]>

> I believe we've seen bogus low AS number announcements a few times
> before, and they've usually been caused by attemts to configure
> AS path prepending without understanding and/or reading the docs.
> 
> Someone might have wrongly assumed that
> 
>    set as-path prepend 133711 133711
> 
> could be written shorter like
> 
>    set as-path prepend 133711 2
> 
> and there you go...

for someone else's prefix?

• Follow-Ups:
  • IPv4 and IPv6 hijacking by AS 6
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    • From: bjorn at mork.no (Bjørn Mork)

• References:
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    • From: matt at netfire.net (Matt Harris)
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    • From: lists at as23738.net (lists at as23738.net)
  • IPv4 and IPv6 hijacking by AS 6
    • From: matt at netfire.net (Matt Harris)
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    • From: me at anuragbhatia.com (Anurag Bhatia)
  • IPv4 and IPv6 hijacking by AS 6
    • From: bjorn at mork.no (Bjørn Mork)

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