<html aria-label="message body"><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><p class="p1">Hi,</p><p class="p1">we traced the reported spoofing result for AS44765 to an old internal test system on a non-production office/lab segment where automated CAIDA spoofer tests had unintentionally remained enabled.</p><p class="p1">The affected segment is used for internal inter-site transport and testing and is not representative of our customer-facing access infrastructure.</p><p class="p1">The test system has been cleaned up and additional filtering has been implemented. Current validation tests are now reporting blocked/natblocked spoofing attempts instead of successful routable spoofing.</p><p class="p1"><br></p><p class="p1">Thanks to everyone who reached out.</p><p class="p1"><br></p><p class="p1">Regards<br>Markus</p><p class="p1"><br></p><div>
<meta charset="UTF-8"><div>Kind regards,<br> <br>--<br>MakeNewMedia Communications Peering Team<br>AS44765 | IRR: RIPE::AS-MAKENEWMEDIA<br>Peering: peering@makenewmedia.com<br>NOC (24/7): noc@makenewmedia.com | +43 1 338 333 777<br>PeeringDB: https://www.peeringdb.com/net/2091<br>Website: https://www.makenewmedia.com</div>
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<div><br><blockquote type="cite"><div>Am 08.05.2026 um 12:03 schrieb CAIDA Spoofer Project via atnog <atnog@atnog.at>:</div><br class="Apple-interchange-newline"><div><div>In response to feedback from operational security communities,<br>CAIDA's source address validation measurement project<br>(https://spoofer.caida.org) is automatically generating monthly<br>reports of ASes originating prefixes in BGP for systems from which<br>we received packets with a spoofed source address.<br>We are publishing these reports to network and security operations<br>lists in order to ensure this information reaches operational<br>contacts in these ASes.<br><br>This report summarises tests conducted within aut.<br><br>Inferred improvements during Apr 2026:<br> none inferred<br><br>Source Address Validation issues inferred during Apr 2026:<br>ASN Name First-Spoofed Last-Spoofed<br>44765 MAKENEWMEDIA 2026-03-26 2026-04-30<br><br>Further information for these tests where we received spoofed<br>packets is available at:<br>https://spoofer.caida.org/recent_tests.php?country_include=aut&no_block=1<br><br>Please send any feedback or suggestions to spoofer-info@caida.org<br>_______________________________________________<br>atnog mailing list<br>atnog@atnog.at<br>https://atnog.at/mailman/listinfo/atnog<br></div></div></blockquote></div><br></body></html>