Spoofer Report for NANOG for Dec 2023

[CAIDA Spoofer Project <spoofer-info () 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 usa, can.

Inferred improvements during Dec 2023:
 none inferred

Source Address Validation issues inferred during Dec 2023:
ASN    Name                           First-Spoofed Last-Spoofed
3356   LEVEL3                            2016-03-06   2023-12-21
209    CENTURYLINK-US-LEGACY-QWEST       2016-08-16   2023-12-29
20412  CLARITY-TELECOM                   2016-09-30   2023-12-30
6181   FUSE-NET                          2016-10-10   2023-12-13
25787  ROWE-NETWORKS                     2016-10-21   2023-12-30
271    BCNET                             2016-10-24   2023-12-10
701    UUNET                             2017-06-14   2023-12-04
46997                                    2021-12-22   2023-12-29
12183  TALKIE-COMMUNICATIONS             2022-12-10   2023-12-26
3701   NERONET                           2023-04-18   2023-12-28
400282                                   2023-04-27   2023-12-30
46690  SNET-FCC                          2023-05-20   2023-12-26
20119  ARROW                             2023-10-19   2023-12-04
26721  INYO                              2023-12-17   2023-12-17
393577 SCCNET                            2023-12-19   2023-12-28

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 spoofer-info () caida org