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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
20203052025-08-28 17:00:21165.123.239.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
19658062025-05-22 18:00:39165.123.239.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
19411222025-04-08 09:35:31165.123.239.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
18540612024-11-01 19:55:29165.123.239.x/2455 (UPENN)usa (United States)yesunknownunknownnoneReport
17737172024-06-03 13:36:32165.123.239.x/2455 (UPENN)usa (United States)yesblockedblockednoneReport
5775222018-11-25 22:17:20165.123.239.x/2455 (UPENN)usa (United States)noblockedblocked/16Report
5413782018-09-24 21:35:57165.123.239.x/2455 (UPENN)usa (United States)noblockedblocked/16Report

All results shown
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