RFC 5396 · PROPOSED STANDARD · 2008
MON · 15 JUN 2026
Textual Representation of Autonomous System Numbers
Overview
RFC 5396, “Textual Representation of Autonomous System Numbers”, is a Proposed Standard document published in December 2008 by G. Huston, G. Michaelson. The canonical text is published by the RFC Editor.
Abstract
A textual representation for Autonomous System (AS) numbers is defined as the decimal value of the AS number. This textual representation is to be used by all documents, systems, and user interfaces referring to AS numbers. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 5396 is hosted at rfc-editor.org. Available in TXT,HTML.
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- RFC 5395 Domain Name System IANA Considerations
- RFC 5397 WebDAV Current Principal Extension
- RFC 5394 Policy-Enabled Path Computation Framework
- RFC 5398 Autonomous System Number Reservation for Documentation Use
- RFC 5393 Addressing an Amplification Vulnerability in Session Initiation Protocol Forking Proxies
- RFC 5391 RTP Payload Format for ITU-T Recommendation G.711.1
- RFC 5401 Multicast Negative-Acknowledgment Building Blocks
- RFC 5390 Requirements for Management of Overload in the Session Initiation Protocol