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Result filters: AS numbers or (partial) names: Country codes: Only show non-remediated spoofing
Spoof status key
receivedSpoofed packet was received.✔Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.

SessionTimestamp (UTC)Client IP BlockASNCountryNATOutbound
Private
Status		Outbound
Routable
Status		Adj Spoof
Prefix Len		Results
21154982026-02-18 13:05:372804:870:xx::/4052871bra (Brazil)no✔blockedreceived/16Report
21142162026-02-16 14:46:122804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20994172026-01-21 18:37:202804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20953522026-01-14 17:30:422804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20938882026-01-12 14:00:282804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20938782026-01-12 13:48:432804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20807832025-12-17 15:47:262804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20807282025-12-17 13:59:552804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20648622025-11-19 15:39:572804:870:xx::/4052871bra (Brazil)no✔blockedreceived/16Report
20544052025-10-27 17:58:332804:870:xx::/4052871bra (Brazil)no✔blockedreceived/16Report
20503112025-10-20 19:10:562804:870:xx::/4052871bra (Brazil)no✔blockedreceived/16Report
20501442025-10-20 14:37:492804:870:xx::/4052871bra (Brazil)no✔blockedreceived/16Report
20459372025-10-13 13:29:352804:870:xx::/4052871bra (Brazil)no✔receivedreceived/16Report
20401382025-10-02 11:52:372804:870:xx::/4052871bra (Brazil)no✔receivedreceived/16Report
20310092025-09-16 14:36:132804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report
20303952025-09-15 17:24:052804:870:xx::/4052871bra (Brazil)no✔blockedreceived/24Report

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