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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
6317362019-02-27 05:29:302601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6219252019-02-11 00:33:392601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5983812018-12-31 09:21:592601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5974132018-12-28 23:37:552601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5935922018-12-21 18:33:412601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5690172018-11-10 19:21:252601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5550902018-10-17 11:08:362601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5321092018-09-08 05:22:372601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5271572018-08-30 04:53:342601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5202992018-08-17 10:25:482601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5199552018-08-16 18:23:122601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5158122018-08-09 14:39:042601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5152632018-08-08 17:37:192601:641:5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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