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RFC 9910
Title: Registration Data Access Protocol (RDAP)
Regional Internet Registry (RIR) Search
Author: T. Harrison,
J. Singh
Status: Standards Track
Stream: IETF
Date: January 2026
Mailbox: [email protected],
[email protected]
Pages: 26
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-regext-rdap-rir-search-19.txt
URL: https://www.rfc-editor.org/info/rfc9910
DOI: 10.17487/RFC9910
The Registration Data Access Protocol (RDAP) is used by Regional
Internet Registries (RIRs) and Domain Name Registries (DNRs) to
provide access to their resource registration information. The core
specifications for RDAP define basic search functionality, but there
are various search options related to IP addresses, IP prefixes, and
Autonomous System Numbers (ASNs), which are provided by RIRs via
their WHOIS services, but for which there is no corresponding RDAP
functionality. This document extends RDAP to support those search
options.
This document is a product of the Registration Protocols Extensions Working
Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
memo is unlimited.
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