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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
20797132025-12-16 00:36:432804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
20755412025-12-08 23:28:082804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
20716832025-12-01 22:20:262804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
20677662025-11-24 21:12:442804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
20555842025-10-29 18:07:272804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
20528102025-10-24 18:08:362804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
18963662025-01-19 19:44:232804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
18819602024-12-21 16:50:432804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report
18319082024-09-20 20:29:212804:2fa4:90xx::/4052771bra (Brazil)noblockedblocked/56Report

All results shown
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