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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
3242162017-09-27 04:52:392601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2938742017-08-10 04:09:552601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
2882262017-08-02 15:15:182601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2825872017-07-26 13:30:222601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2085862017-05-03 19:57:492601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1988672017-04-25 04:54:212601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1696092017-03-22 10:07:232601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1628932017-03-11 18:05:452601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1519002017-02-23 02:56:192601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1492742017-02-18 18:27:572601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1448112017-02-11 17:21:212601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1385572017-02-02 03:57:302601:cd:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

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