(PECL geoip >= 0.2.0)
geoip_org_by_name — Get the organization name
The geoip_org_by_name() function will return the name of the organization that an IP is assigned to.
This function is currently only available to users who have bought a commercial GeoIP Organization, ISP or AS Edition. A warning will be issued if the proper database cannot be located.
The hostname or IP address.
Returns the organization name on success, or FALSE if the address cannot be found in the database.
Example #1 A geoip_org_by_name() example
This will print to whom the host example.com IP is allocated.
<?php
$org = geoip_org_by_name('www.example.com');
if ($org) {
echo 'This host IP is allocated to: ' . $org;
}
?>
上例将输出：
This host IP is allocated to: ICANN c/o Internet Assigned Numbers Authority