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Understanding ASPA: The next step in routing security (APNIC Pty Ltd)

Public Technologies 23 Sep 2026
Autonomous System Provider Authorizations (ASPAs) are a new Resource Public Key Infrastructure (RPKI) object that helps network operators validate BGP AS paths and identify route leaks through authorized provider-customer relationships.
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ASPA at APNIC: Strengthening BGP path validation (APNIC Pty Ltd)

Public Technologies 09 Jul 2026
What is ASPA? ... How does ASPA prevent route leaks? ... In Figure 4, AS1 has published an ASPA and AS4 performs ASPA validation ... While three RIRs now support the creation of ASPA objects, actually using ASPAs for validation is more of a work in progress.
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