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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
11735762021-07-07 15:18:102601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
11735752021-07-07 15:15:202601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
5264272018-08-29 00:01:262601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5142362018-08-07 01:54:402601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5089442018-07-27 22:40:092601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4834842018-06-13 04:24:512601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4577242018-05-03 11:02:462601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4516412018-04-23 21:18:362601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4362882018-03-29 17:28:552601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4140972018-02-21 01:00:162601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3830092018-01-01 23:25:552601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3792112017-12-25 15:52:262601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3624242017-11-29 00:28:242601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3561552017-11-18 08:34:442601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3437462017-10-29 18:41:382601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3379362017-10-20 02:04:122601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3055632017-08-29 00:39:032601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3014892017-08-22 13:56:322601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2676882017-07-08 01:47:262601:406:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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