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Center for Applied Internet Data Analysis
Customers of 3741 we have received spoofed packets from

This page lists the directly connected customers of AS 3741 from which we have received a spoofed packet from, ordered by the number of prefixes of an inferred Ingress ACL derived from prefix announcements for the customer recorded in public BGP data. 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
15808 (ACCESSKENYA-KE)ken (Kenya)4619Historyreceived
37154 (ZAMTEL)zmb (Zambia)20Historyblocked
37680 (COOL-IDEAS)zaf (South Africa)71Historyblocked
37353 (MacroLAN)zaf (South Africa)253Historyblocked
37054 (TGN)mdg (Madagascar)254Historyblocked
30988 (ISInternetSolutions)gha (Ghana)2914Historyblocked
37027 (SIMBANET-AS)ken (Kenya)4714Historyblocked
37153 (HETZNER)zaf (South Africa)17524Historyblocked
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