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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
20731092025-12-04 10:53:0045.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20688852025-11-26 20:13:1945.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20633732025-11-17 10:29:3845.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20434012025-10-08 16:32:2145.163.172.x/24268556bra (Brazil)yesblockedblockednoneReport
20433772025-10-08 15:49:2245.163.172.x/24268556bra (Brazil)yesblockedblockednoneReport
20433592025-10-08 15:26:2645.163.172.x/24268556bra (Brazil)yesblockedblockednoneReport
20433512025-10-08 15:13:3845.163.172.x/24268556bra (Brazil)yesblockedblockednoneReport
20433492025-10-08 15:09:5345.163.172.x/24268556bra (Brazil)yesblockedblockednoneReport
19517372025-04-28 22:56:4345.163.172.x/24268556bra (Brazil)yesunknownunknownnoneReport
19403842025-04-06 23:17:5645.163.172.x/24268556bra (Brazil)yesunknownunknownnoneReport

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