geoip_isp_by_name

(PECL geoip >= 1.0.2)

geoip_isp_by_name — Get the Internet Service Provider (ISP) name

说明

string geoip_isp_by_name ( string $hostname )

The geoip_isp_by_name() function will return the name of the Internet Service Provider (ISP) that an IP is assigned to.

This function is currently only available to users who have bought a commercial GeoIP ISP Edition. A warning will be issued if the proper database cannot be located.

参数

hostname: The hostname or IP address.

返回值

Returns the ISP name on success, or FALSE if the address cannot be found in the database.

范例

Example #1 A geoip_isp_by_name() example

This will print the ISP name of host example.com.

  <?php
$isp  =  geoip_isp_by_name ( 'www.example.com' );
if ( $isp ) {
    echo  'This host IP is from ISP: '  .  $isp ;
}
 ?>

以上例程会输出：

This host IP is from ISP: ICANN c/o Internet Assigned Numbers Authority