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Recent tests

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
20648622025-11-19 15:39:572804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
20544052025-10-27 17:58:332804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
20503112025-10-20 19:10:562804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
20501442025-10-20 14:37:492804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
20459372025-10-13 13:29:352804:870:xx::/4052871bra (Brazil)noreceivedreceived/16Report
20401382025-10-02 11:52:372804:870:xx::/4052871bra (Brazil)noreceivedreceived/16Report
20310092025-09-16 14:36:132804:870:xx::/4052871bra (Brazil)noblockedreceived/24Report
20303952025-09-15 17:24:052804:870:xx::/4052871bra (Brazil)noblockedreceived/24Report
20108052025-08-11 10:34:092804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
20093342025-08-08 13:27:462804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
19754142025-06-09 18:50:082804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
19739112025-06-06 16:41:452804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
19737482025-06-06 11:43:462804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
19643042025-05-20 12:00:322804:870:xx::/4052871bra (Brazil)noblockedreceived/16Report
11581812021-06-09 16:05:342804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11555472021-06-04 20:46:132804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11555352021-06-04 20:21:472804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11533652021-06-01 14:28:302804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11506852021-05-27 15:07:342804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11495312021-05-25 22:40:122804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11495112021-05-25 22:01:472804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
11493702021-05-25 17:25:132804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport
10492102020-12-18 14:51:042804:870:xx::/4052871bra (Brazil)nounknownunknownnoneReport

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