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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
20733652025-12-04 20:20:292607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20728232025-12-03 19:50:532607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20727702025-12-03 18:15:532607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20727162025-12-03 16:43:092607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20726452025-12-03 14:45:212607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20699082025-11-28 14:15:022607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20698512025-11-28 12:35:352607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20687362025-11-26 16:16:492607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20686162025-11-26 13:13:052607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20682112025-11-25 17:52:362607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20680962025-11-25 13:18:492607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20676322025-11-24 18:46:212607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20674722025-11-24 13:27:322607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20654032025-11-20 15:06:392607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20653182025-11-20 12:27:502607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20649112025-11-19 17:15:432607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20643612025-11-18 19:28:452607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20628272025-11-16 01:50:172607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20623582025-11-14 22:53:472607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20608342025-11-12 15:06:162607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20607282025-11-12 12:27:162607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20590922025-11-07 18:41:242607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20590532025-11-07 14:57:152607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20590362025-11-07 13:14:532607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20587612025-11-06 14:28:122607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20585282025-11-05 20:24:502607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20584232025-11-05 13:43:532607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20581962025-11-04 19:15:122607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20580642025-11-04 12:18:142607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20578142025-11-03 14:48:102607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20527662025-10-24 16:39:322607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20527512025-10-24 15:49:352607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20526932025-10-24 14:03:232607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20526462025-10-24 12:48:022607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report
20522022025-10-23 19:06:302607:fb90:cdxx::/4021928 (T-MOBILE-AS21928)pri (Puerto Rico)noblockedblocked/64Report

All results shown
Last Modified