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                                                    Special-Purpose Autonomous System (AS) Numbers

Created
        2014-03-11

Last Updated
        2015-08-07

Available Formats
        [IMG]
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Registry Included Below

  • Special-Purpose AS Numbers

Special-Purpose AS Numbers

Registration Procedure(s)

             IETF Review


Reference
        [RFC 7249]

Available Formats
        [IMG]
        CSV

      AS Number                                Reason for Reservation                           Reference
0                     Reserved by [RFC 7607]                                                    [RFC 7607]
112                   Used by the AS112 project to sink misdirected DNS queries; see [RFC 7534] [RFC 7534]
23456                 AS_TRANS; reserved by [RFC 6793]                                          [RFC 6793]
64496-64511           For documentation and sample code; reserved by [RFC 5398]                 [RFC 5398]
64512-65534           For private use; reserved by [RFC 6996]                                   [RFC 6996]
65535                 Reserved by [RFC 7300]                                                    [RFC 7300]
65536-65551           For documentation and sample code; reserved by [RFC 5398]                 [RFC 5398]
4200000000-4294967294 For private use; reserved by [RFC 6996]                                   [RFC 6996]
4294967295            Reserved by [RFC 7300]                                                    [RFC 7300]

Licensing Terms