IPv4 and IPv6 hijacking by AS 6

Randy Bush randy at psg.com
Fri Apr 13 21:35:07 UTC 2018


> 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?



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