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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
16764092023-11-23 20:55:592001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16764042023-11-23 20:50:162001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16675502023-11-07 12:24:322001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16444452023-09-24 17:17:242001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16379452023-09-12 22:40:142001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16379182023-09-12 21:47:032001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16379152023-09-12 21:37:492001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16342192023-09-05 15:49:502001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16341862023-09-05 14:29:342001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16185852023-08-07 20:14:022001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16185632023-08-07 19:25:112001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
16185532023-08-07 19:10:152001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
15880052023-06-09 10:31:562001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
15667122023-04-28 14:01:562001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report
15432012023-03-14 21:38:182001:610:1xx::/401104 (Nikhef)nld (Netherlands)noblockedblocked/48Report

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