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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
9021812020-05-28 12:48:442001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
8979862020-05-20 11:37:042001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8979212020-05-20 08:54:492001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
8941322020-05-13 12:07:512001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
8901792020-05-06 11:00:552001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
8872432020-04-30 18:50:342001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8866382020-04-29 20:39:072001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
8826412020-04-22 19:32:092001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
8823542020-04-22 12:01:082001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
8823332020-04-22 11:27:242001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8822652020-04-22 08:55:002001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
8821302020-04-22 01:30:412001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
8819672020-04-21 19:29:422001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
8819162020-04-21 17:52:052001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
8802962020-04-18 16:46:272001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8684342020-03-28 14:00:392001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8521612020-03-01 12:51:072001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8521432020-03-01 12:26:072001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8521362020-03-01 12:11:062001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
8427202020-02-16 20:54:362001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
8307072020-01-26 19:20:342001:1c01:39xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report

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