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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
20487562025-10-17 21:53:102607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20482862025-10-17 06:41:352607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20482632025-10-17 05:49:512607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20479752025-10-16 16:00:352607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20479622025-10-16 15:42:212607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20479252025-10-16 14:44:282607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20479002025-10-16 13:55:122607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20477692025-10-16 09:41:162607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20476762025-10-16 05:54:282607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20467922025-10-14 18:49:012607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20466792025-10-14 16:00:522607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/72Report
20466242025-10-14 14:35:512607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20466182025-10-14 14:27:462607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20466032025-10-14 14:11:422607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20449102025-10-11 09:32:572607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20448152025-10-11 02:37:492607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20447742025-10-11 00:36:482607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20368452025-09-26 17:12:442607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
20332232025-09-20 09:14:152607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19675122025-05-25 16:37:392607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19665952025-05-23 20:58:452607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
19665272025-05-23 19:18:342607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report
11662642021-06-22 23:38:392607:fb90:a3xx::/4021928 (T-MOBILE-AS21928)usa (United States)noblockedblocked/64Report

All results shown
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