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IP Version 6 Addressing Architecture
RFC 4291

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['internet protocol version 6', 'unicast', 'anycast', 'multicast', 'node']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "S. Deering": changed name from "Steve Deering" to "S. Deering", cleared country (was "USA"), changed order from "0" to "2"
2026-05-20
(System) Changed author "R. Hinden": changed name from "Bob Hinden" to "R. Hinden", cleared country (was "USA")
2026-05-20
(System) Metadata update from RFC Editor
2020-01-21
(System) Received changes through RFC Editor sync (added Verified Errata tag)
2018-12-20
(System)
Received changes through RFC Editor sync (changed abstract to 'This specification defines the addressing architecture of the IP Version 6 (IPv6) protocol. The document includes …
Received changes through RFC Editor sync (changed abstract to 'This specification defines the addressing architecture of the IP Version 6 (IPv6) protocol. The document includes the IPv6 addressing model, text representations of IPv6 addresses, definition of IPv6 unicast addresses, anycast addresses, and multicast addresses, and an IPv6 node's required addresses.

This document obsoletes RFC 3513, "IP Version 6 Addressing Architecture". [STANDARDS-TRACK]')
2015-10-14
(System) Notify list changed from bob.hinden@nokia.com, brian@innovationslab.net to (None)
2006-02-27
Amy Vezza State Changes to RFC Published from RFC Ed Queue by Amy Vezza
2006-02-27
Amy Vezza [Note]: 'RFC 4291' added by Amy Vezza
2006-02-17
(System) RFC published