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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
17426672024-04-03 14:53:152607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
14798162022-11-16 21:43:252607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
14094782022-07-29 18:10:192607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
14069772022-07-25 10:30:382607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
14060252022-07-23 01:51:112607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13947652022-07-04 11:47:112607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13914042022-06-28 04:46:562607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13871442022-06-23 21:06:312607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13845492022-06-19 03:22:112607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13821132022-06-14 19:19:052607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13800862022-06-10 16:13:202607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13765502022-06-06 14:21:192607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13760922022-06-05 16:50:042607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report
13717662022-05-28 06:16:072607:fb91:15xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/32Report

All results shown
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