GeoIP2 Precision: City

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The GeoIP2 Precision: City service provides our most accurate information about the location of an IP address to the zip or postal code level and identifies the associated ISP or organization.

The GeoIP2 Precision: City service returns the following data elements for a given IP address:

Data Element Description
Continent The continent associated with the IP address.
Country

Three indicators of the country associated with the IP address:

  1. Country of the physical location of the IP address as determined by MaxMind proprietary analysis,
  2. Country registered by the ISP or organization responsible for the IP address,
  3. Country represented by users of an IP address at an overseas military installation.
Subdivisions The subdivisions or regions associated with the IP address (i.e. state, county, province, prefecture).
City The city associated with the IP address.
Postal Code The postal code associated with the IP address.*
Metro Code (US Only) The metro code associated with the IP address. These are only available for IP addresses in the US.
Time Zone The time zone associated with location, as specified by the IANA Time Zone Database, e.g., "America/New_York".
Latitude / Longitude An approximate latitude and longitude associated with the IP address, often near the center of population. These values are not precise and should not be used to identify a particular address or household.
Accuracy Radius Provides a radius in kilometers around the latitude and longitude for this IP address. Indicates level of geolocation accuracy, as the IP address likely falls within this area.
ISP / Organization The ISP and registering Organization associated with the IP address.
Domain The second level domain associated with the IP address. This will be something like "example.com" or "example.co.uk", not "foo.example.com".
AS Number & Organization The autonomous system number associated with the IP address and the organization associated with the registered autonomous system number for the IP address.

* Postal code data is available for 34 countries.

Includes localized names for select locations in English, Simplified Chinese, German, Spanish, French, Japanese, Brazilian Portuguese, and Russian.

This service incorporates Geonames geographical data, which is made available under the Creative Commons Attribution 3.0 License.

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