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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
2277892017-05-22 20:50:462601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2276082017-05-22 17:06:412601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2249972017-05-19 17:15:592601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2171622017-05-11 20:48:202601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2160382017-05-10 22:00:002601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2160122017-05-10 21:36:212601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2146282017-05-09 17:33:432601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2144532017-05-09 14:26:322601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2062652017-05-01 20:34:282601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2062322017-05-01 20:03:392601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2038662017-04-29 13:51:592601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2032262017-04-28 22:13:242601:543:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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