RFC 6890

E658168

IETF standard document Request for Comments

RFC 6890 is an Internet Engineering Task Force (IETF) document that defines and updates the special-purpose IPv4 and IPv6 address registries used for various non-routable and reserved networking functions.

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All labels observed (1)

Label	Occurrences
RFC 6890 canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T7366488 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: RFC 6890
Context triple: [RFC 5338, obsoletedBy, RFC 6890]

A. RFC 6840
RFC 6840 is an Internet Engineering Task Force (IETF) standards document that clarifies, updates, and consolidates the core specifications for the DNS Security Extensions (DNSSEC) protocol suite.
B. RFC 6860
RFC 6860 is an Internet Engineering Task Force (IETF) standards-track document that updates and clarifies the use of cryptographic authentication for OSPFv3, superseding earlier specifications.
C. RFC 6410
RFC 6410 is an Internet Engineering Task Force (IETF) document that streamlines and updates the process for advancing technical specifications to Internet Standard status within the Internet Standards Process.
D. RFC 6189
RFC 6189 is the Internet Engineering Task Force (IETF) standard that defines the ZRTP protocol for secure key agreement in Voice over IP communications.
E. RFC 6096
RFC 6096 is an Internet Engineering Task Force (IETF) standards document that refines and updates the Stream Control Transmission Protocol (SCTP) specification originally defined in RFC 4960.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: RFC 6890
Target entity description: RFC 6890 is an Internet Engineering Task Force (IETF) document that defines and updates the special-purpose IPv4 and IPv6 address registries used for various non-routable and reserved networking functions.

A. RFC 6840
RFC 6840 is an Internet Engineering Task Force (IETF) standards document that clarifies, updates, and consolidates the core specifications for the DNS Security Extensions (DNSSEC) protocol suite.
B. RFC 6860
RFC 6860 is an Internet Engineering Task Force (IETF) standards-track document that updates and clarifies the use of cryptographic authentication for OSPFv3, superseding earlier specifications.
C. RFC 6410
RFC 6410 is an Internet Engineering Task Force (IETF) document that streamlines and updates the process for advancing technical specifications to Internet Standard status within the Internet Standards Process.
D. RFC 6189
RFC 6189 is the Internet Engineering Task Force (IETF) standard that defines the ZRTP protocol for secure key agreement in Voice over IP communications.
E. RFC 6096
RFC 6096 is an Internet Engineering Task Force (IETF) standards document that refines and updates the Stream Control Transmission Protocol (SCTP) specification originally defined in RFC 4960.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	IETF standard document ⓘ Request for Comments ⓘ
area	Internet ⓘ linked to: the internet
author	Brian Haberman ⓘ David Meyer ⓘ Leo Vegoda ⓘ Michelle Cotton ⓘ Wesley George ⓘ
BCPNumber	BCP 153 ⓘ
category	Best Current Practice ⓘ
concernsProtocol	IPv4 ⓘ IPv6 ⓘ linked to: Internet Protocol version 6
defines	IANA IPv4 Special-Purpose Address Registry ⓘ IANA IPv6 Special-Purpose Address Registry ⓘ IANA registry fields for special-purpose IP addresses ⓘ common registry structure for IPv4 and IPv6 special-purpose addresses ⓘ criteria for inclusion of address blocks in special-purpose registries ⓘ documentation of routing and forwarding behavior for special-purpose addresses ⓘ special-purpose IPv4 address registry ⓘ special-purpose IPv6 address registry ⓘ
definesProperty	forwardable property for special-purpose IP addresses ⓘ global routing scope for special-purpose IP addresses ⓘ global uniqueness for special-purpose IP addresses ⓘ reserved-by-protocol status for special-purpose IP addresses ⓘ termination date for special-purpose IP address allocations ⓘ
documentType	Standards-track related BCP ⓘ
hasNumber	6890 ⓘ
intendedStatus	Best Current Practice ⓘ
language	English ⓘ
obsoletes	RFC 5156 ⓘ RFC 5735 ⓘ
publishedBy	IETF ⓘ linked to: Internet Engineering Task Force Internet Engineering Task Force ⓘ
publishedDate	2013-04 ⓘ
registryMaintainer	IANA ⓘ Internet Assigned Numbers Authority ⓘ
series	RFC series ⓘ
standardsBody	Internet Engineering Task Force ⓘ
status	Best Current Practice ⓘ
stream	IETF ⓘ linked to: Internet Engineering Task Force
subject	IP addressing ⓘ non-routable IP address space ⓘ reserved IP address space ⓘ special-purpose IP address blocks ⓘ
title	Special-Purpose IP Address Registries ⓘ linked to: IANA IPv6 Special-Purpose Address Registry
updates	IANA Special-Purpose Address Registries ⓘ linked to: IANA IPv4 Special-Purpose Address Registry procedures for managing special-purpose IP address blocks ⓘ
workingGroup	Internet Area Working Group ⓘ linked to: IETF Areas
year	2013 ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

RFC 5338 → obsoletedBy → RFC 6890 ⓘ

All labels observed (1)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (1)

How this entity was disambiguated

How these facts were elicited