geoip_asnum_by_name

(PECL geoip >= 1.1.0)

geoip_asnum_by_name — Get the Autonomous System Numbers (ASN)

説明

geoip_asnum_by_name ( string $hostname ) : string

The geoip_asnum_by_name() function will return the Autonomous System Numbers (ASN) associated with an IP address.

パラメータ

hostname

The hostname or IP address.

返り値

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

例

例1 A geoip_asnum_by_name() example

This will output the ASN of the host www.example.com.

<?php
$asn = geoip_asnum_by_name('www.example.com');

if ($asn) {
    echo 'The ASN is: ' . $asn;
}
?>

上の例の出力は以下となります。

The ASN is: AS15133 EdgeCast Networks, Inc