Registration Data Access Protocol (RDAP) 2015-01-12 2026-02-02 Specification Required Jasdip Singh, Scott Hollenbeck arin_originas0 COMMON artRecord .ART COMMON autnums Any This extension identifier is used for INR-specific search operations. autnumSearchResults Any This extension identifier is used for INR-specific search operations. cidr0 Various RIRs under the NRO COMMON farv1 Any This extension describes version 1 of a federated authentication method for RDAP using OAuth 2.0 and OpenID Connect. fred FRED is open source domain registry system that includes RDAP server. This RDAP server provides some extended features defined in specification. geofeed1 Any This extension describes version 1 of a method to access the IP geolocation feed data through RDAP. icann_rdap_response_profile_0 (OBSOLETED) ICANN COMMON icann_rdap_response_profile_1 ICANN COMMON icann_rdap_technical_implementation_guide_0 (OBSOLETED) ICANN COMMON icann_rdap_technical_implementation_guide_1 ICANN COMMON ips Any This extension identifier is used for INR-specific search operations. ipSearchResults Any This extension identifier is used for INR-specific search operations. nask COMMON nro_rdap_profile_0 Any ADDRESS REGISTRIES nro_rdap_profile_asn_flat_0 Any ADDRESS REGISTRIES nro_rdap_profile_asn_hierarchical_0 Any ADDRESS REGISTRIES paging Any This extension describes a best practice for result set paging. platformNS Any COMMON rdap_objectTag Any This extension describes a best practice for structuring entity identifiers to enable query bootstrapping. redacted Any This extension identifies the redacted fields in an RDAP response. redirect_with_content Any COMMON regType Any COMMON reverse_search Any This extension identifier is used for both URI path segments and response extensions related to the reverse search in RDAP. rirSearch1 Any This extension identifier is used for INR-specific search operations. sorting Any This extension describes a best practice for result set sorting. subsetting Any This extension describes best practice for partial response provisioning. American Registry for Internet Numbers mailto:info&arin.net 2023-01-02 CentralNic Ltd mailto:rdap&centralnic.com 2024-09-20 CZ.NIC, z. s. p. o. mailto:tech&nic.cz 2016-03-30 ICANN mailto:globalsupport&icann.org IETF mailto:iesg&ietf.org Jaromir Talir mailto:jaromir.talir&nic.cz 2016-03-30 NASK - National Research Institute mailto:info&dns.pl 2025-02-04 NRO mailto:secretariat&nro.net 2021-01-27 Tom Harrison mailto:tomh&apnic.net 2021-01-05