{
  "number": 509,
  "title": "Traffic statistics (April 1973)",
  "authors": [
    "A.M. McKenzie"
  ],
  "published": "1973-04",
  "status": "Unknown",
  "stream": "Legacy",
  "pages": 4,
  "formats": [
    "TXT",
    "HTML"
  ],
  "doi": "10.17487/RFC509",
  "updates": [
    "RFC497"
  ],
  "updated_by": [
    "RFC522"
  ],
  "urls": {
    "html": "https://rfc.dk/rfc509/",
    "text": "https://rfc.dk/rfc509.txt",
    "rfc_editor": "https://www.rfc-editor.org/rfc/rfc509",
    "datatracker": "https://datatracker.ietf.org/doc/rfc509/"
  },
  "text_modified": "2001-06-11T21:42:00Z"
}