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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
20243362025-09-04 18:16:04128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
20036742025-07-29 17:02:17128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19970772025-07-17 16:34:35128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19966792025-07-16 23:28:22128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19932962025-07-10 22:33:18128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19858242025-06-27 17:22:43128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19349512025-03-27 20:46:57128.54.35.x/247377 (UCSD)usa (United States)yesunknownunknownnoneReport
19336582025-03-25 18:07:46128.54.35.x/247377 (UCSD)usa (United States)yesunknownunknownnoneReport
17389202024-03-26 17:29:21128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
17355292024-03-19 19:50:22128.54.35.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport

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