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BGP is the yellow pages that hangs the internet together with string.

Pretty incredible blog about BGP here from @benjojo https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling

Talk to go with the blog: https://www.youtube.com/watch?v=6wMXEiFiueM&cbrd=1

Tl;dr - if you fuzz BGP attributes, you can very easily find ones which propagate to every router and crash routers. About half of vendors have easily reproducible issues. None of the vendors have bug bounty programmes. Or in other words, you can own the internet in your underpants.