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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
4069252018-02-08 20:35:352601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4041222018-02-04 04:37:512601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3995552018-01-27 22:17:012601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3826512018-01-01 00:54:332601:1c1:80xx::/406939 (HURRICANE)usa (United States)noblockedblocked/64Report
3785602017-12-24 01:12:332601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3768742017-12-20 23:50:522601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3723862017-12-13 22:31:452601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3722982017-12-13 19:53:432601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3655972017-12-04 00:13:322601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3593162017-11-23 18:39:062601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3525182017-11-13 03:45:132601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3480652017-11-05 19:53:492601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3434282017-10-29 05:02:022601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3386312017-10-21 02:50:172601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3178112017-09-16 20:04:232601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3158172017-09-14 01:18:292601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3109982017-09-06 18:54:092601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3076142017-09-01 02:55:552601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3025982017-08-24 05:32:082601:1c1:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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