GET 
{
  "type": "city",
  "visitor": {
    "id": "18.97.9.168",
    "type": "ipv4",
    "ipv4": "18.97.9.168",
    "asn": 14618,
    "org": "Amazon Technologies Inc.",
    "city": "Ashburn",
    "region": "Virginia",
    "country": "US",
    "colo": "IAD",
    "timezone": "America/New_York",
    "latitude": 39.04372,
    "longitude": -77.48749
  }
}