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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
4980672018-07-08 22:22:462601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4980612018-07-08 22:14:012601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4431552018-04-10 13:42:282601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4427732018-04-09 21:03:462601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
545052016-02-15 19:04:222601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544992016-02-15 16:45:292601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544982016-02-15 16:11:342601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544952016-02-15 15:19:032601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544922016-02-15 14:22:592601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544902016-02-15 13:57:112601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544752016-02-15 04:13:432601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544692016-02-15 01:49:462601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
544662016-02-14 22:16:182601:152:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

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