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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
4338632018-03-25 23:22:382601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4029062018-02-02 01:19:152601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3677252017-12-06 23:34:092601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3502102017-11-08 23:30:562601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3416182017-10-26 00:29:312601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3371332017-10-18 23:22:382601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3203272017-09-21 01:14:102601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1808392017-04-05 22:04:552601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1722662017-03-26 04:59:592601:40e:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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