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.
References: RFC 5453, RFC 7136
| Value | Defined by | Name | Description | References |
|---|---|---|---|---|
| 0000:0000:0000:0000 | IANA | Subnet-Router Anycast | - | RFC 4291 |
| 0200:5eff:fe00:0000 - 0200:5eff:fe00:5212 | IANA | Reserved IPv6 Interface Identifiers corresponding to the IANA Ethernet Block | - | RFC 4291 |
| 0200:5eff:fe00:5213 | IANA | Proxy Mobile IPv6 | - | RFC 6543 |
| 0200:5eff:fe00:5214 - 0200:5eff:feff:ffff | IANA | Reserved IPv6 Interface Identifiers corresponding to the IANA Ethernet Block | - | RFC 4291 |
| fdff:ffff:ffff:ff80 - fdff:ffff:ffff:ffff | IANA | Reserved Subnet Anycast Addresses | - | RFC 2526 |