❯ curl ip.cilusse.com

Pomona, United States

Additional information

IP address 216.73.217.146
Decimal 3628718482
Country United States
Country (ISO) US
Region California
Region code CA
Metro code 803
Postal code 91768
City Pomona
Latitude 34.067
Longitude -117.7729
Timezone America/Los_Angeles

Location

Approximate location based on IP address. IP geolocation data is provided by MaxMind GeoLite2.

API

All data is available programmatically. When using curl, pass the -s flag to hide the progress bar.

Plain text

These endpoints return plain text by default, with a trailing newline at the end.

Command Response
curl ip.cilusse.com 216.73.217.146
curl ip.cilusse.com/country United States
curl ip.cilusse.com/country-iso US
curl ip.cilusse.com/city Pomona
  • Set the Accept: application/json header to request response as JSON.
  • Append ?ip=IP to the request URL to lookup information for a different IP. This is not supported for the /port endpoint.

JSON

These endpoints always return JSON.

Command Description
curl ip.cilusse.com/json Retrieve all IP information. See response.
curl ip.cilusse.com/port/<PORT> Check if given port is reachable. See port response.

Response

{
  "ip": "216.73.217.146",
  "ip_decimal": 3628718482,
  "country": "United States",
  "country_iso": "US",
  "country_eu": false,
  "region_name": "California",
  "region_code": "CA",
  "metro_code": 803,
  "zip_code": "91768",
  "city": "Pomona",
  "latitude": 34.067,
  "longitude": -117.7729,
  "time_zone": "America/Los_Angeles",
  "user_agent": {
    "product": "Mozilla",
    "version": "5.0",
    "comment": "AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
    "raw_value": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  }
}

Port response

This is an example response. The actual result depends on the reachability of the queried port.

{
  "ip": "216.73.217.146",
  "port": 443,
  "reachable": false
}

FAQ

How do I force IPv4 or IPv6 lookup?
Pass the appropriate flag to your client, e.g. curl -4 or curl -6.
Is automated use permitted?
Yes, but please limit automated requests to 1 request per minute. Requests exceeding this limit may receive a 429 status code or be dropped entirely.
Can I run my own instance?
Yes. The source code and documentation are available on GitHub.