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Customers of 11537 we have received spoofed packets from in the last month

This page lists the directly connected customers of AS 11537 from which we have received a spoofed packet in the past month. We have ordered the customer ASes by the number of IPv4 prefixes for a candidate Ingress ACL that we derived from prefix announcements in public BGP data by the customer AS. BCP-84 describes Ingress ACLs as "the most bulletproof solution when done properly" and the "best fit ... when the configuration is not too dynamic, ... if the number of used prefixes is low." Further detail about the size and dynamism of an inferred ACL is available by following the History link for each AS.

ASNCountryNumber of Prefixes
in Customer Cone
Number of ASes
in Customer Cone
Address
History
Outbound
Routable
Status
38 (UIUC)usa (United States)50Historyblocked
2552 (WUSTL-ASN)usa (United States)50Historyblocked
55 (UPENN)usa (United States)81Historyblocked
4901 (CAAREN)usa (United States)224Historyblocked
8895 (ISU)sau (Saudi Arabia)278Historyblocked
7896 (NU-AS)usa (United States)454Historyblocked
2018 (TENET-1)zaf (South Africa)1286Historyblocked
27750ury (Uruguay)21137Historyblocked
20080 (AMPATH)usa (United States)33148Historyblocked
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