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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
20556812025-10-29 20:20:092607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblockednoneReport
20312912025-09-17 01:46:132607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20250062025-09-05 23:18:252607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20232782025-09-03 01:53:352607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20193362025-08-27 02:16:222607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20086092025-08-07 04:19:262607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19814292025-06-19 18:48:562607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19715512025-06-02 22:46:412607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19714612025-06-02 20:56:562607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19583792025-05-11 02:33:102607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19541032025-05-03 04:34:152607:fb90:74xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report

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