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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
12307052021-10-12 23:03:502601:400:xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
12102622021-09-07 19:19:292601:400:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11659702021-06-22 14:24:172601:400:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
10365232020-11-27 22:00:312601:400:xx::/4033668 (CMCS)usa (United States)nounknownunknownnoneReport
10320612020-11-20 20:53:542601:400:xx::/4033668 (CMCS)usa (United States)nounknownunknownnoneReport
9269622020-07-12 16:58:182601:400:xx::/4033668 (CMCS)usa (United States)noblockedblocked/64Report
8857802020-04-28 13:42:182601:400:xx::/4033668 (CMCS)usa (United States)noblockedblocked/64Report

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