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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
20582112025-11-04 20:36:072804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20550712025-10-28 19:27:392804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20421192025-10-06 14:16:192804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20301912025-09-15 12:29:022804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20198042025-08-27 19:09:092804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20109072025-08-11 13:16:392804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20055292025-08-01 15:23:572804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
20029692025-07-28 14:37:012804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19997892025-07-22 17:57:092804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19917292025-07-08 15:39:392804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19910612025-07-07 14:49:342804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19817302025-06-20 12:56:082804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19774402025-06-12 17:56:542804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19649552025-05-21 13:00:112804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report
19602082025-05-13 18:36:342804:26d8:11xx::/4053160bra (Brazil)noblockedblocked/56Report

All results shown
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