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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
20093092025-08-08 12:42:592a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)nounknownunknownnoneReport
20092392025-08-08 11:11:022a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19103692025-02-13 15:39:162a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18479032024-10-21 15:25:402a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18243112024-09-06 08:31:272a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18206052024-08-30 06:56:512a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16653892023-11-03 10:58:152a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16579152023-10-20 10:26:262a04:8400:cxx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report

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