[cft]

This is not my specialty, but isn't that the point of radb registration to protect from route hijacking? When we implemented BGP DDoS mitigation with Verisign, we had to register them with radb for our /22 or smaller, so that they could announce on our behalf.

[asdfaoeu]

That's what he's alluding to with route prefixing but it'd unfortunately less than universal.