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netbox-community-netbox/docs/models/ipam/asn.md
Daniel Sheppard c72f25c693 #6732 - Add documentation
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ASN

ASN is short for Autonomous System Number. This identifier is used in the BGP protocol to identify which "autonomous system" a particular prefix is originating and transiting through.

The AS number model within NetBox allows you to model some of this real-world relationship.

Within NetBox:

  • AS numbers are globally unique
  • Each AS number must be associated with a RIR (ARIN, RFC 6996, etc)
  • Each AS number can be associated with many different sites
  • Each site can have many different AS numbers
  • Each AS number can be assigned to a single tenant