GeoIP 函数
PHP Manual

geoip_isp_by_name

(PECL geoip >= 1.0.2)

geoip_isp_by_nameGet 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


GeoIP 函数
PHP Manual