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IANA IPv4 Address Space Allocation for Prefix 255/8

Designation

Future use

Allocation Time

September 1981

Status

RESERVED - designated by the IETF (Internet Engineering Task Force) for specific non-global-unicast purposes as noted.

Notes

Reserved for future use (formerly "Class E") [RFC1112].
Reserved by protocol. For authoritative registration, see [IANA registry iana-ipv4-special-registry].
255.255.255.255 is reserved for "limited broadcast" destination address [RFC919] and [RFC922].
Complete registration details for 255.255.255.255/32 are found in [IANA registry iana-ipv4-special-registry].