geoip_asnum_by_name

(PECL geoip >= 1.1.0)

geoip_asnum_by_nameGet 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

add a note add a note

User Contributed Notes 1 note

up
22
edwin at theroyalstudent dot com
10 years ago
The code example as stated has a missing '.', causing a syntax error if it is pasted and executed without being checked.

Correct Code:

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

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