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Center for Applied Internet Data Analysis
Customers of 23520 we have received spoofed packets from

This page lists the directly connected customers of AS 23520 from which we hav 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
10269blz (Belize)50Historyreceived
27932hnd (Honduras)256Historyreceived
11139 (CWDOM)grd (Grenada)1746Historyreceived
27774hti (Haiti)20Historyblocked
27653hti (Haiti)21Historyblocked
52260hti (Haiti)41Historyblocked
46650 (ASN1)grd (Grenada)110Historyblocked
22724ecu (Ecuador)804Historyblocked
30689 (FLOW-NET)jam (Jamaica)835Historyblocked
8048ven (Venezuela)15326Historyblocked
18809pan (Panama)1705Historyblocked
28509mex (Mexico)2033Historyblocked
14420ecu (Ecuador)2811Historyblocked
27759hti (Haiti)24954Historyblocked
27665tto (Trinidad and Tobago)256516Historyblocked
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