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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
18653542024-11-22 06:38:1445.4.120.x/24266071bra (Brazil)yesrewrittenreceived/8Report
18653542024-11-22 06:38:142804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18645942024-11-20 21:19:2145.4.120.x/24266071bra (Brazil)yesrewrittenreceived/8Report
18645942024-11-20 21:19:212804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18623032024-11-16 22:22:5545.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18621082024-11-16 13:10:2745.4.122.x/24266071bra (Brazil)yesblockedblockednoneReport
18621082024-11-16 13:10:272804:3a1c:2xx::/40266071bra (Brazil)noblockedblocked/64Report
18605592024-11-13 19:03:1945.4.120.x/24266071bra (Brazil)yesrewrittenreceived/8Report
18605592024-11-13 19:03:192804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18603192024-11-13 12:42:2145.4.120.x/24266071bra (Brazil)yesrewrittenreceived/18Report
18593432024-11-11 21:30:0145.4.122.x/24266071bra (Brazil)yesblockedblockednoneReport
18565052024-11-06 11:35:3145.4.120.x/24266071bra (Brazil)yesrewrittenreceived/8Report
18565052024-11-06 11:35:312804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18544302024-11-02 14:55:432804:3a1c:2xx::/40266071bra (Brazil)noreceivedreceived/16Report
18541842024-11-02 00:19:302804:3a1c:2xx::/40266071bra (Brazil)noreceivedreceived/16Report
18533562024-10-31 16:33:272804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18532322024-10-31 12:32:5445.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532282024-10-31 12:28:5545.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532282024-10-31 12:28:552804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18532242024-10-31 12:23:4845.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532242024-10-31 12:23:482804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18532192024-10-31 12:19:0745.4.120.x/24266071bra (Brazil)yesrewrittenreceived/8Report
18532182024-10-31 12:18:5545.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532182024-10-31 12:18:552804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18532152024-10-31 12:15:1045.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532152024-10-31 12:15:102804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18532102024-10-31 12:05:3245.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532102024-10-31 12:05:322804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18532022024-10-31 12:00:2345.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18532022024-10-31 12:00:232804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report
18531982024-10-31 11:58:1045.4.120.x/24266071bra (Brazil)yesblockedblocked/27Report
18531982024-10-31 11:58:102804:3a1c:xx::/40266071bra (Brazil)noreceivedreceived/16Report

All results shown
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