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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
20821312025-12-19 17:11:572607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20808382025-12-17 17:29:352607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20675272025-11-24 14:50:142607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20645442025-11-19 02:23:392607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20619262025-11-14 07:27:462607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20603152025-11-11 17:47:342607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20590652025-11-07 16:40:212607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20586432025-11-06 06:41:282607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20573382025-11-01 23:18:212607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20552222025-10-29 04:04:502607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20451272025-10-11 19:40:252607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20450822025-10-11 17:36:132607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20447432025-10-10 23:06:442607:fb92:2cxx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report

All results shown
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