This policy proposal details a set of actions and associated dates for RIR AS number allocation policies to assist in an orderly transition to use of the 4-byte AS number space.
Most recent version
Status at other RIRs
15 December 2005
Version 1 announced to mailing list
2 March 2006
17 March 2006 – 12 May 2006
Version 2 in 8 week final call for comments
9 May 2006
Proposal adopted by ARIN Board of Trustees
14 July 2006
11 September 2006
Ratified by LACNIC Directory
1 December 2006
Draft policy document released
1 January 2007
First phase of policy implemented: four-byte ASNs assigned on request.
APNIC will make four-byte AS number assignments from the range:
AS number syntax will be the APNIC Whois Database has been extended to accommodate four-byte AS numbers. This may affect any automated tools you use to interact with the database. The changes affect the following database objects:
Please note that syntax for two-byte AS numbers remains unchanged.
1 January 2009
Second phase of policy to be implemented: two-byte ASNs assigned on request
1 January 2010
Final phase of policy to be implemented: four-byte ASNs assigned by default