References: RFC 3307
| Value | Defined by | Name | Description | References |
|---|---|---|---|---|
| ff3x:0:0:0:0:0:0:0 - ff3x:0:0:0:0:0:3fff:ffff | IANA | Invalid addresses | - | RFC 4607 |
| ff3x:0:0:0:0:0:4000:0 - ff3x:0:0:0:0:0:7fff:ffff | IANA | Reserved for IANA allocation; see https://www.iana.org/assignments/perm-mcast-groupids | - | RFC 4607 |
| ff3x:0:0:0:0:0:8000:0 - ff3x:0:0:0:0:0:ffff:ffff | IANA | Reserved for local host allocation | - | RFC 4607 |