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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
21069382026-02-04 07:58:162001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report
20794472025-12-15 17:35:002001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report
20743272025-12-06 18:53:412001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report
20689602025-11-26 22:30:092001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblockednoneReport
20600592025-11-11 08:27:042001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report
20599012025-11-10 22:32:592001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report
20528962025-10-24 20:31:482001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report
20515882025-10-22 18:53:442001:6c8:ffxx::/403292 (TDC)dnk (Denmark)noblockedblocked/64Report

All results shown
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