Spoofer Report for NANOG for Jul 2026
CAIDA Spoofer Project via NANOG <[email protected]>
| Newsgroups | gmane.org.operators.nanog |
|---|---|
| Message-ID | <[email protected]> |
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 usa, can. Inferred improvements during Jul 2026: ASN Name Fixed-By 3801 MISNET 2026-07-30 Further information for the inferred remediation is available at: https://spoofer.caida.org/remedy.php Source Address Validation issues inferred during Jul 2026: ASN Name First-Spoofed Last-Spoofed 20115 CHARTER-20115 2016-06-09 2026-07-05 14051 SUREWEST 2017-10-26 2026-07-17 22883 CONDENAST 2019-05-29 2026-07-28 21804 ACCESS-SK 2019-06-09 2026-07-30 393397 LREC-LRT 2020-08-02 2026-07-31 396356 MAXIHOST 2021-02-27 2026-07-14 262287 Maxihost LTDA 2021-10-09 2026-07-15 12183 TALKIE-COMMUNICATIONS 2022-12-10 2026-07-27 400282 2023-04-27 2026-07-28 394684 AS-GOLD 2024-01-17 2026-07-26 27425 ASN-IDK-27425 2024-02-21 2026-07-28 393530 TLU 2024-05-22 2026-07-30 54334 ROYA 2025-03-13 2026-07-29 273843 2025-04-02 2026-07-28 212238 CDNEXT 2026-02-18 2026-07-30 64289 2026-06-14 2026-07-31 394456 REDBELLRE 2026-07-09 2026-07-09 54861 BFCSY 2026-07-11 2026-07-18 48266 2026-07-17 2026-07-17 Further information for these tests where we received spoofed packets is available at: https://spoofer.caida.org/recent_tests.php?country_include=usa,can&no_block=1 Please send any feedback or suggestions to [email protected] _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/GHLWHVFURUQEZQNGUONPY5UOIR75TXOC/