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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
21776382026-06-11 01:11:072400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21770672026-06-10 04:29:592400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21770502026-06-10 04:06:422400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21770072026-06-10 02:09:132400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21770012026-06-10 01:56:302400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21769792026-06-10 01:07:572400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21764162026-06-09 07:17:522400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21763902026-06-09 05:32:052400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21763862026-06-09 05:19:422400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21763192026-06-09 01:08:582400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21743812026-06-05 01:06:562400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21739992026-06-04 08:21:062400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21739772026-06-04 07:41:122400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21738362026-06-04 01:07:312400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report
21731582026-06-03 01:07:412400:4050:efxx::/404713 (OCN)jpn (Japan)noblockedblocked/56Report

All results shown
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