Internet Assigned Numbers Authority

                                                         Reserved IPv6 Interface Identifiers

   Created
           2008-12-24

   Last Updated
           2014-02-13

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   Registry included below

     * Reserved IPv6 Interface Identifiers

Reserved IPv6 Interface Identifiers

   Registration Procedure(s)

 Standards Action

   Reference
           [RFC5453][RFC7136]

   Note

 Full deployment of a new reserved IID value would require updates to
 IID generation code in every deployed IPv6 stack, so the technical
 justification for such a Standards Action would need to be extremely
 strong.


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         Interface Identifier Range                                        Description                                  Reference Date Assigned
   0000:0000:0000:0000                     Subnet-Router Anycast                                                        [RFC4291] 2008-12-24
   0200:5EFF:FE00:0000-0200:5EFF:FE00:5212 Reserved IPv6 Interface Identifiers corresponding to the IANA Ethernet Block [RFC4291]
   0200:5EFF:FE00:5213                     Proxy Mobile IPv6                                                            [RFC6543]
   0200:5EFF:FE00:5214-0200:5EFF:FEFF:FFFF Reserved IPv6 Interface Identifiers corresponding to the IANA Ethernet Block [RFC4291]
   FDFF:FFFF:FFFF:FF80-FDFF:FFFF:FFFF:FFFF Reserved Subnet Anycast Addresses                                            [RFC2526] 2008-12-24

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