IPv4 and IPv6 hijacking by AS 6

Theodore Baschak theodore at ciscodude.net
Fri Apr 13 15:32:04 UTC 2018


> On Apr 13, 2018, at 12:27 AM, Vincent Bernat <bernat at luffy.cx> wrote:
> 
> Maybe AS6 is used internally by the next AS on the path?

I've definitely seen (and sadly, interacted with) operators that solved their "why doesn't non-meshed iBGP do what I'm expecting" problems by simply using different low-numbered ASNs internally (1,2,3... 19) instead of proper private ASNs. 

Theo



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