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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
8303182020-01-25 23:08:162601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
8198142020-01-07 13:39:032601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
8154522019-12-29 22:10:472601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
8068462019-12-13 11:30:092601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6034422019-01-09 16:30:222601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6031532019-01-09 06:21:052601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6001082019-01-03 17:53:162601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5999562019-01-03 13:23:182601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5990372019-01-02 02:16:222601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5984442018-12-31 12:37:392601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5981542018-12-30 19:00:312601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5944362018-12-23 16:59:022601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5869832018-12-12 04:56:522601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5842992018-12-07 05:52:462601:18c:cfxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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