lookup.php

<?php
/*
    Version: 1.0
    Copyright: supergag@HKEPC
    Last Modified: 29/07/2015
*/

$ip = array(
    'v.youku.com',
    'app2.522.com.cn',
    'b.scorecardresearch.com',
    'comments.youku.com',
    'e.stat.youku.com',
    'g1.ykimg.com',
    'g4.ykimg.com',
    'g3.ykimg.com',
    'h.irs01.com',
    'k.youku.com',
    'notify.youku.com',
    'p-log.ykimg.com',
    'p.l.youku.com',
    'r1.ykimg.com',
    'r2.ykimg.com',
    'r3.ykimg.com',
    'r4.ykimg.com',
    'stat.youku.com',
    'static.youku.com',
    'swf.adtchrome.com',
    'uo.youku.com',
    'v.l.youku.com',
    'yk.pp.navi.youku.com',
    'ykrec.youku.com',
    'youku.mycpis.com',
    'yws.youku.com'
);

for($i = 0; $i <= 25; $i++) {
    $content .= gethostbyname($ip[$i])."		{$ip[$i]}\r\n";
}
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename=hosts');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($content));
echo $content;
?>