geoip_asnum_by_name
PHP function
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(PECL geoip >= 1.1.0)
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
hostnameThe hostname or IP address.
Return Values
Returns the ASN on success, or false if the address cannot be found in the database.
Examples
A geoip_asnum_by_name() example
This will output the ASN of the host www.example.com.
php
<?php
$asn = geoip_asnum_by_name('www.example.com');
if ($asn) {
echo 'The ASN is: ' . $asn;
}
?>The above example will output:
output
The ASN is: AS15133 EdgeCast Networks, Inc