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geoip_isp_by_name

PHP function Edit on GitHub ✎

(PECL geoip >= 1.0.2)

Get the Internet Service Provider (ISP) name

Description

geoip_isp_by_name(string $hostname): string

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.

Parameters

hostname

The hostname or IP address.

Return Values

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

Examples

A geoip_isp_by_name() example

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

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

The above example will output:

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

Source: reference/geoip/functions/geoip-isp-by-name.xml · from the official PHP manual (php/doc-en)