Determine the Internet Service Provider, organization name, and autonomous system organization and number associated with an IP address. The organization name is available for about 40% of corporate, government, and educational networks. In situations where we are not able to identify a specific business entity, we return the ISP name instead of the name of the business. To access our most comprehensive organization data, use the GeoIP2 Precision: City or Insights service. These identify the organization associated with a business IP address in 10% more instances. Product Features Updated twice a month. Last updated: 2016-12-06 Site license allows use on all machines within purchasing organization The ISP name is about 95% accurate in the US. Outside the US, accuracy ranges from 50% to 80%, depending on the country. The data is generally more accurate for countries with more Internet users. Includes the following fields: ( Technical Details ) ISP Name Organization Name Autonomous System Number Autonomous System Organization Open Source APIs are available for most popular languages Automated updates are available Available Formats This database is available in the following formats. Note that those purchasing a GeoIP2 database can download the corresponding Legacy database as well: GeoIP2 binary MMDB format GeoIP2 comma-separated values GeoIP Legacy binary format GeoIP Legacy comma-separated values