{
  "host": {
    "ipv4": "123.45.67.89",
    "hostname": "the.host.name", // or `null` if reverse DNS lookup failed
    "address": {
      /* if IP is in a private range (e.g. 192.168.0.1) */
      "city": "private",
      "country": "private"
      "geo": {
        "latitude": null,
        "longitude": null
      }
      /* otherwise
        (depending on geocoding accuracy, any of these may be `null`) */
      "city": "The City",
      "country": "THE COUNTRY (CODE)",
      "geo": {
        "latitude": 12.3456,
        "longitude": 34.5678
      }
    }
  }
}