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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
14671992022-10-28 21:36:032601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14671922022-10-28 21:22:162601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14641452022-10-23 17:04:172601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14540102022-10-09 13:33:472601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14500252022-10-02 12:24:232601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14470302022-09-25 11:01:232601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14470152022-09-25 10:23:352601:248:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified