From spoofer-info at caida.org Thu May 8 19:00:08 2025 From: spoofer-info at caida.org (CAIDA Spoofer Project) Date: Thu, 8 May 2025 10:00:08 -0700 Subject: [NLNOG] Spoofer Report for NLNOG for Apr 2025 Message-ID: <1746723608.622037.371.nullmailer@caida.org> In response to feedback from operational security communities, CAIDA's source address validation measurement project (https://spoofer.caida.org) is automatically generating monthly reports of ASes originating prefixes in BGP for systems from which we received packets with a spoofed source address. We are publishing these reports to network and security operations lists in order to ensure this information reaches operational contacts in these ASes. This report summarises tests conducted within nld. Inferred improvements during Apr 2025: ASN Name Fixed-By 3920 IMS-RTFM 2025-04-23 Further information for the inferred remediation is available at: https://spoofer.caida.org/remedy.php Source Address Validation issues inferred during Apr 2025: ASN Name First-Spoofed Last-Spoofed 34465 SPV 2022-07-29 2025-04-15 207176 OPENFIBER 2022-09-30 2025-04-04 3920 IMS-RTFM 2023-10-06 2025-04-23 39686 ASN-EUROFIBER 2025-04-28 2025-04-28 200132 2025-04-29 2025-04-29 Further information for these tests where we received spoofed packets is available at: https://spoofer.caida.org/recent_tests.php?country_include=nld&no_block=1 Please send any feedback or suggestions to spoofer-info at caida.org