Try to find the abuse email of the ASN. If that one doesn&#39;t work either check their website and PeeringDB for one. If that fails as well use their normal contact method. If that fails as well there is nothing you can do.<br><br><div class="gmail_quote"><div dir="ltr">On Thu, Aug 16, 2018, 2:26 PM Badguys Killer &lt;<a href="mailto:badguyskiller@gmail.com">badguyskiller@gmail.com</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I have found that many &quot;abuse&quot; email addresses indicated in WHOIS databases actually are fake e-addresses.</div><div><br></div><div>One of them is <a href="mailto:gestionip@TELEFONICA.NET.PE" target="_blank">gestionip@TELEFONICA.NET.PE</a> (because my company has received many many spams originated from its network so I wrote a spam complaint to this e-address but the mail was rejected for non-existent mailbox!)</div><div><br></div><div>What can we do in this case?</div><div><br></div><div>Thanks<br></div></div>
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