GEOIP_ASNUM_BY_NAME(3) 1 GEOIP_ASNUM_BY_NAME(3)
geoip_asnum_by_name - Get the Autonomous System Numbers (ASN)
SYNOPSIS
string geoip_asnum_by_name (string $hostname)
DESCRIPTION
The geoip_asnum_by_name(3) function will return the Autonomous System Numbers (ASN) associated with an IP address.
PARAMETERS
o $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(3) 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
PHP Documentation Group GEOIP_ASNUM_BY_NAME(3)