{ "draft": "draft-ietf-opsawg-prefix-lengths", "doc_id": "RFC9977", "title": "Publishing End-Site Prefix Lengths", "authors": [ "O. Gasser", "R. Bush", "M. Candela", "R. Housley" ], "format": [ "XML", "TEXT", "HTML", "PDF" ], "page_count": "26", "pub_status": "PROPOSED STANDARD", "status": "PROPOSED STANDARD", "source": "opsawg", "abstract": "This document specifies how to augment the Routing Policy Specification Language (RPSL) inetnum: class to refer specifically to prefixlen files, which are Comma-Separated Values (CSV) files used to specify end-site prefix lengths. This document also describes an optional mechanism that uses the Resource Public Key Infrastructure (RPKI) to authenticate the prefixlen files.", "pub_date": "May 2026", "keywords": [ "prefix", "allocation", "RPSL", "inetnum" ], "obsoletes": [], "obsoleted_by": [], "updates": [], "updated_by": [], "see_also": [], "doi": "10.17487/RFC9977", "errata_url": null }