geoip_asnum_by_name
(PECL geoip >= 1.1.0)
geoip_asnum_by_name — Get the Autonomous System Numbers (ASN)
说明
$hostname
)The geoip_asnum_by_name() function will return the Autonomous System Numbers (ASN) associated with an IP address.
参数
-
hostname -
The hostname or IP address.
返回值
Returns the ASN on success, or FALSE if the address
cannot be found in the database.
范例
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 ;
}
?> 以上例程会输出：
The ASN is: AS15133 EdgeCast Networks, Inc
用户评论:
[#1] edwin at theroyalstudent dot com [2014-11-11 15:22:48]
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;
}
?>