Autonomous System (AS) Number Assignment Policies and Procedures

   Mirjam K.Aˇühne
   Nurani Nimpuno
   Sabrina Wilmot
                 
   Document ID: ripe-245
   Date: 14 June 2002
   Obsoletes: ripe-185
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Abstract
        
   This document provides a description of Autonomous System Numbers
   (ASNs), the assignment procedure of AS Numbers and guidelines on
   how to obtain AS Numbers in the RIPE NCC service region.
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Contents
        
   1.0 AS Number Assignment Policies and Procedures
   1.1 Requesting an AS Number                     
   1.2 Returning an AS Number 


1.0 AS Number Assignment Policies and Procedures

   An Autonomous System (AS) is a group of IP networks run by one or
   more network operators that has a single and clearly defined
   routing policy.

   Every AS has a unique number associated with it that is used as an
   identifier for the AS in the exchange of exteri