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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
8727042020-04-05 11:15:312001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/80Report
8685162020-03-28 17:30:242001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
8647272020-03-21 16:01:332001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
8607992020-03-14 13:37:052001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
8464842020-02-22 18:44:062001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
8418632020-02-14 22:46:552001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
8368862020-02-06 18:01:422001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
8333082020-01-30 16:33:202001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
8248442020-01-16 14:29:272001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
8207132020-01-09 05:11:162001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
8157422019-12-30 13:25:232001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
8123722019-12-23 10:21:132001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
8083652019-12-16 08:52:482001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report

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