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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
19362232025-03-30 08:55:132607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
19360192025-03-30 01:46:472607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
19360152025-03-30 01:25:422607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
19055272025-02-05 04:56:262607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
18766882024-12-12 05:31:162607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
18608982024-11-14 08:55:342607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
18002972024-07-20 20:14:282607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
17447502024-04-07 18:22:082607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
17293622024-03-07 02:28:002607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
17152912024-02-08 03:05:542607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport
17151422024-02-07 20:39:592607:fb91:axx::/4021928 (T-MOBILE-AS21928)usa (United States)nounknownunknownnoneReport

All results shown
Last Modified 04/04/2025 18:12:36