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Center for Applied Internet Data Analysis
Customers of 33891 we have received spoofed packets from

This page lists the directly connected customers of AS 33891 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
49009 (FFHH)deu (Germany)114Historyreceived
49349 (DOTSI)prt (Portugal)1355Historyreceived
48800fra (France)10Historyblocked
202719 (PRANET)cze (Czech Republic)10Historyblocked
44002 (SYS-DATACOM)cze (Czech Republic)30Historyblocked
60503 (FNXTEC)nld (Netherlands)30Historyblocked
59456 (CLOUDBROKERS-AS)aut (Austria)40Historyblocked
42390 (THECLOUD-DE)swe (Sweden)60Historyblocked
61102 (INTERHOST)isr (Israel)90Historyblocked
34971 (PDDA-AS)ita (Italy)200Historyblocked
30823 (COMBAHTON)deu (Germany)437Historyblocked
29182 (ISPSYSTEM-AS)rus (Russian Federation)472Historyblocked
24961 (MYLOC-AS)deu (Germany)737Historyblocked
553 (BELWUE)deu (Germany)16413Historyblocked
24940 (HETZNER-AS)deu (Germany)17014Historyblocked
16160 (SWAN)svk (Slovak Republic)38652Historyblocked
13101 (TNG-AS)deu (Germany)43363Historyblocked
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