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6footgeek/ipToAsnLookup.php

Created August 23, 2017 09:54
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IP to ASN lookup PHP
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ipToAsnLookup.php
private function getAsnFromIP($ip)
{
$query = 'whois -h whois.cymru.com " -f ' . (string) $ip . '"';
$whoisResult = shell_exec($query);
$asnArray = explode('|', $whoisResult);
$cleanAsn = array_map('trim', $asnArray);
return $cleanAsn;
}
@x011
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x011 commented Mar 21, 2023

@victorelec14 You'll need to install PECL geoip >= 1.1.0.

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