Blockchain and Networking

John R. Levine johnl at
Tue Jan 9 06:07:20 UTC 2018

> How about validating whether a given AS is an acceptable origin for a set
> of prefixes? Seems like a problem (route hijacking) that's still been
> looking for a solution. Lots of BGP routers, RRs, prefix databases are
> around, maintained and generally online. Current practices are incomplete
> and for many large carriers, operate on a 24 hour cycle which might not be
> acceptable if the world had a more instant option in place.

It is not my impression that maintaining an updatable database of
(AS, prefix) pairs is particularly difficult.  What's hard is figuring out 
who's allowed to put what into the database, and blockchains offer no help 
at all there.


John Levine, johnl at, Primary Perpetrator of "The Internet for Dummies",
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