RFC 3330 (rfc3330) - Page 1 of 7

Special-Use IPv4 Addresses

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Network Working Group                                               IANA
Request for Comments: 3330                                September 2002
Category: Informational


                       Special-Use IPv4 Addresses

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This document describes the global and other specialized IPv4 address
   blocks that have been assigned by the Internet Assigned Numbers
   Authority (IANA).  It does not address IPv4 address space assigned to
   operators and users through the Regional Internet Registries.  It
   also does not address allocations or assignments of IPv6 addresses or
   autonomous system numbers.

1. Introduction

   Throughout its entire history, the Internet has employed a central
   Internet Assigned Numbers Authority (IANA) responsible for the
   allocation and assignment of various identifiers needed for the
   operation of the Internet [RFC 1174].  In the case of the IPv4 address
   space, the IANA allocates parts of the address space to Regional
   Internet Registries according to their established needs.  These
   Regional Internet Registries are responsible for the assignment of
   IPv4 addresses to operators and users of the Internet within their
   regions.

   Minor portions of the IPv4 address space have been allocated or
   assigned directly by the IANA for global or other specialized
   purposes.  These allocations and assignments have been documented in
   a variety of RFCs and other documents.  This document is intended to
   collect these scattered references.

   On an ongoing basis, the IANA has been designated by the IETF to make
   assignments in support of the Internet Standards Process [RFC 2860].
   Section 4 of this document describes that assignment process.




IANA                         Informational
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