geoip_asnum_by_name
(PECL geoip >= 1.1.0)
geoip_asnum_by_name — Get the Autonomous System Numbers (ASN)
Description
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.
Parameters
-
hostname -
The hostname or IP address.
Return Values
Returns the ASN on success, or false if the address cannot be found in the database.
Examples
Example #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;
}
?> The above example will output:
The ASN is: AS15133 EdgeCast Networks, Inc
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https://www.php.net/manual/en/function.geoip-asnum-by-name.php