{
  "category": "mac",
  "updated": "2026-10-08",
  "confidence_levels": {
    "verified": "Read on the official page/file.",
    "verified-archive": "Official page, read via a Wayback Machine snapshot (live site blocks automated fetches); 'archive' has the snapshot URL.",
    "secondary": "Secondary source only (e.g. Wikipedia); treat as unconfirmed.",
    "uncertain": "Plausible but not confirmed; do not rely on it."
  },
  "title": "Documentation MAC / EUI addresses",
  "note": "Assigned by RFC 7042 and carried over unchanged into RFC 9542 (BCP 141, April 2024), which obsoletes it.",
  "items": [
    {
      "value": "00-00-5E-00-53-00 .. 00-00-5E-00-53-FF",
      "purpose": "EUI-48 unicast for documentation",
      "source": "https://www.rfc-editor.org/rfc/rfc9542",
      "confidence": "verified",
      "examples": [
        "00:00:5e:00:53:01"
      ]
    },
    {
      "value": "01-00-5E-90-10-00 .. 01-00-5E-90-10-FF",
      "purpose": "EUI-48 multicast for documentation",
      "source": "https://www.rfc-editor.org/rfc/rfc9542",
      "confidence": "verified"
    },
    {
      "value": "00-00-5E-EF-10-00-00-00 .. 00-00-5E-EF-10-00-00-FF",
      "purpose": "EUI-64 unicast for documentation",
      "source": "https://www.rfc-editor.org/rfc/rfc9542",
      "confidence": "verified"
    },
    {
      "value": "01-00-5E-EF-10-00-00-00 .. 01-00-5E-EF-10-00-00-FF",
      "purpose": "EUI-64 multicast for documentation",
      "source": "https://www.rfc-editor.org/rfc/rfc9542",
      "confidence": "verified"
    }
  ]
}