Useful Links

From AS4

Contents 1 Assignments and Standards 2 RIR Policies 3 Presentations and Resources 4 Online Tools 5 Software Tools

Assignments and Standards

• IANA Autonomous System (AS) Number Assignments
• IANA Capability Code Assignments
• RFC 4893: BGP Support for Four-octet AS Number Space
• RFC 5396: Textual Representation of Autonomous System (AS) Numbers
• RFC 5398: Autonomous System (AS) Number Reservation for Documentation Use
• I-D: Four-octet AS Specific BGP Extended Community

RIR Policies

• AfriNIC
• APNIC
• ARIN
• RIPE NCC
• LACNIC

Presentations and Resources

• Introduction to Four-byte AS Numbers at APNIC has a lot of information and resources for operators

Conference Presentations

• 4-Byte AS Numbers by Geoff Huston (APRICOT 2007; 28 February, 2007)
• 32-bit ASNs by Philip Smith (MENOG 2; 21 November, 2008)
• 32-bit ASNs by Greg Hankins and Chris Malayter (NANOG45; 27 January, 2009)
• Action Required: 32 Bit ASNs by Andy Davidson (MENOG 10; May 1, 2012)

Online Tools

• 16-bit AS Number Report: status report on the 16-bit AS number space and projection of when the pool will run out
• 32-bit AS Number Report: status report on the 32-bit AS number space

Software Tools

• Net::ASN: Perl module for converting between different 32-bit ASN notations