(PECL geoip >= 1.1.0) Get the second level domain name

(PECL geoip >= 1.0.1) Determine if GeoIP Database is available

(PECL geoip >= 1.0.4) Returns the region name for some country and region code combo

(PECL geoip >= 0.2.0) Get the country code and region

(PECL geoip >= 1.0.2) Get the Internet Service Provider (ISP) name

(PECL geoip >= 1.0.1) Returns detailed information about all GeoIP database types

(PECL geoip >= 0.2.0) Get the organization name

(PECL geoip >= 1.0.1) Returns the filename of the corresponding GeoIP Database

(PECL geoip >= 0.2.0) Get the three letter country code

(PECL geoip >= 0.2.0) Returns the detailed City information found in the GeoIP Database