Special-Purpose Autonomous System (AS) Numbers

Created
2014-03-11
Last Updated
2014-07-08
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Special-Purpose AS Numbers

Registration Procedure(s)
IETF Review
Reference
[RFC7249]
Available Formats

CSV
AS Number Reason for Reservation Reference
0 Reserved by [RFC-ietf-idr-as0-06] [RFC-ietf-idr-as0-06]
23456 AS_TRANS; reserved by [RFC6793] [RFC6793]
64496-64511 For documentation and sample code; reserved by [RFC5398] [RFC5398]
64512-65534 For private use; reserved by [RFC6996] [RFC6996]
65535 Reserved by [RFC7300] [RFC7300]
65536-65551 For documentation and sample code; reserved by [RFC5398] [RFC5398]
4200000000-4294967294 For private use; reserved by [RFC6996] [RFC6996]
4294967295 Reserved by [RFC7300] [RFC7300]