geoip_isp_by_name
(No version information available, might be only in CVS)
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;
}
?>
上例将输出：
This host IP is allocated to: ICANN c/o Internet Assigned Numbers Authority