Hi, On Wed, Jun 29, 2022 at 10:30:22AM +0200, Simon Brandt via ripe-atlas wrote: > Another example would be a multi ASN company which announces all > prefixes from a single ASN via BGP, even though the prefixes are > assigned to various AS numbers. Since the RIRs do have the information, > to which AS a specific prefix is assigned to,
prefixes are not assigned to "AS" numbers, ever.
prefixes are assigned to entities, as are AS numbers.
ROAs and/or route(6): objects are used to tie both together - and it's
in the authority of the network (prefix) holder to state which AS is
allowed and expected to announce a given prefix, not the RIR.
Repeat: the RIR has no say in "which AS is tied a prefix".
Gert Doering
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