Earlier quoted context omitted.
I sincerely hope that AS3356 hasn't broken a big chunk of the Internet again. https://isc.sans.edu/forums/diary/CenturyLink+Outage+Causing... https://www.zdnet.com/article/centurylink-outage-led-to-a-3-...
My bet is BGP. Its always BGP.
I remember reading about the protocol and thinking something like: this seems awfully "hippie-trust" levels of security.
Granted, this was 10 years ago so my recollection of BGP is super fuzzy :-D