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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
9065852020-06-04 22:23:192601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
9019132020-05-28 00:17:232601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
8787362020-04-15 22:24:212601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
8748622020-04-08 20:10:222601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
6255142019-02-16 21:39:522601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6239432019-02-14 00:30:482601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6217922019-02-10 17:32:092601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5893832018-12-14 22:12:092601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5875102018-12-12 21:37:532601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5869062018-12-12 00:50:382601:19c:45xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report

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