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RFC 9910 - Registration Data Access Protocol (RDAP) Regional Internet Registry (RIR) Search

  • Status: Proposed Standard
  • Published: January 2026
  • Stream: IETF
  • Pages: 26
  • Errata: No Errata

Abstract​

This document defines a Registration Data Access Protocol (RDAP) extension that enables Regional Internet Registry (RIR) search capabilities. It describes query patterns and response behavior for locating registration data across RIR-related resources.

The extension helps clients perform consistent RDAP searches when working with Internet number resources and associated registration data maintained by RIRs.

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