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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
20610922025-11-12 21:48:57163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20557502025-10-29 23:33:28163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20516932025-10-22 22:26:31163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20475572025-10-15 23:20:20163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20475452025-10-15 23:05:25163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20435472025-10-08 21:58:34163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20322642025-09-18 13:52:54163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20322492025-09-18 13:30:02163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
20279172025-09-10 22:03:10163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
19772332025-06-12 11:52:16163.10.143.x/245692arg (Argentina)noblockedblocked/16Report
19412542025-04-08 13:43:28163.10.143.x/245692arg (Argentina)noblockedblocked/16Report

All results shown
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