{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-13T22:24:57.159Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC5735",
  "document": {
    "abstract": "This document obsoletes RFC 3330. It describes the global and other specialized IPv4 address blocks that have been assigned by the Internet Assigned Numbers Authority (IANA). It does not address IPv4 address space assigned to operators and users through the Regional Internet Registries, nor does it address IPv4 address space assigned directly by IANA prior to the creation of the Regional Internet Registries. It also does not address allocations or assignments of IPv6 addresses or autonomous system numbers. This memo documents an Internet Best Current Practice.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "authors": [
      {
        "name": "Michelle Cotton"
      },
      {
        "name": "Leo Vegoda"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docId": "RFC5735",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.158Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docLabel": "IETF RFC 5735",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.158Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docNumber": "5735",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.158Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docTitle": "Special Use IPv4 Addresses",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.158Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "docType": "Best Practice",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "doi": "10.17487/RFC5735",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "href": "https://doi.org/10.17487/RFC5735",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "keywords": [
      "IP"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "pages": "10",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "publicationDate": "2010-01-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "references": {
      "bibliographic": [
        "RFC919",
        "RFC922",
        "RFC1112",
        "RFC1122",
        "RFC1166",
        "RFC1174",
        "RFC1700",
        "RFC1918",
        "RFC2544",
        "RFC2860",
        "RFC3068",
        "RFC3171",
        "RFC3330",
        "RFC3927",
        "RFC5156",
        "RFC5226",
        "RFC5736",
        "RFC5737"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=19 proseBlocks=24 skippedAnchorBlocks=22",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "normative": [
        "RFC2119"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc5735/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
      "updated": "2026-10-13T22:24:57.159Z",
      "version": "extractDocs.js@commit:fd871efde64d"
    },
    "status": {
      "active": false,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "amendedBy": [
        "RFC6598"
      ],
      "amendedBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "errataExist": true,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc5735",
        "https://www.rfc-editor.org/errata_search.php?rfc=5735"
      ],
      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "latestVersion": false,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "statusNote": "Best Current Practice",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "superseded": true,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "supersededBy": [
        "RFC6890"
      ],
      "supersededBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      },
      "supersedes": [
        "RFC3330"
      ],
      "supersedes$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5735/",
        "updated": "2026-10-13T22:24:57.159Z",
        "version": "extractDocs.js@commit:fd871efde64d"
      }
    }
  }
}