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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
20566772025-10-31 13:49:382804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
20462162025-10-13 22:11:182804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
20429122025-10-07 19:00:592804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
19755422025-06-09 21:27:132804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
19347852025-03-27 16:24:072804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
19099832025-02-12 21:42:522804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
18706622024-12-01 18:22:062804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
18481462024-10-21 23:15:462804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
18344332024-09-25 21:55:032804:296c:21xx::/40264014bra (Brazil)noblockedblocked/64Report
13588392022-05-05 18:34:43143.0.164.x/24264014bra (Brazil)yesrewrittenrewrittennoneReport

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