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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
7055432019-06-27 15:38:282601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
7015352019-06-20 14:29:312601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6848332019-05-22 23:09:022601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6803282019-05-15 18:18:502601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6749982019-05-06 23:15:522601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5572212018-10-20 21:29:472601:640:c3xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
5485462018-10-07 09:02:372601:640:c3xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
5296062018-09-04 04:54:082601:640:c3xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
5249032018-08-26 11:35:002601:640:c3xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
5132212018-08-05 02:23:442601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/112Report
4807552018-06-08 09:22:162601:640:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/112Report
4671722018-05-17 13:07:162601:640:c3xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport

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