GET 
{
  "type": "city",
  "visitor": {
    "id": "216.73.216.49",
    "type": "ipv4",
    "ipv4": "216.73.216.49",
    "asn": 16509,
    "org": "Anthropic, PBC",
    "city": "Columbus",
    "region": "Ohio",
    "country": "US",
    "colo": "ORD",
    "timezone": "America/New_York",
    "latitude": 39.96118,
    "longitude": -82.99879
  }
}