2008-12-24 2014-02-13 Standards Action 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. 0000:0000:0000:0000 Subnet-Router Anycast 2008-12-24 0200:5EFF:FE00:0000-0200:5EFF:FE00:5212 Reserved IPv6 Interface Identifiers corresponding to the IANA Ethernet Block 0200:5EFF:FE00:5213 Proxy Mobile IPv6 0200:5EFF:FE00:5214-0200:5EFF:FEFF:FFFF Reserved IPv6 Interface Identifiers corresponding to the IANA Ethernet Block FDFF:FFFF:FFFF:FF80-FDFF:FFFF:FFFF:FFFF Reserved Subnet Anycast Addresses 2008-12-24