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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
19311422025-03-20 19:04:37145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19311332025-03-20 18:39:45145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19308092025-03-20 07:30:27145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19307622025-03-20 05:31:42145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19305192025-03-19 16:52:21145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19296022025-03-18 09:19:39145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19295992025-03-18 09:01:33145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19295772025-03-18 08:07:35145.126.107.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report

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