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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
20419992025-10-06 11:14:202001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
20177672025-08-24 01:06:422001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
20177462025-08-23 23:15:102001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
19994012025-07-22 02:51:382001:f71:3exx::/402519 (VECTANT)usa (United States)noblockedblocked/56Report
19949582025-07-14 11:31:372001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
19940822025-07-12 13:46:262001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
19766752025-06-11 16:03:202001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
19724382025-06-04 10:23:182001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
19712912025-05-31 15:29:422001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report
19712682025-05-31 14:47:402001:f71:3exx::/402519 (VECTANT)jpn (Japan)noblockedblocked/56Report

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