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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
18239282024-09-05 14:49:132601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18227372024-09-03 14:23:082601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18207742024-08-30 14:27:202601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18197432024-08-28 15:00:242601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18168832024-08-22 14:34:092601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18163182024-08-21 16:04:572601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18157782024-08-20 17:09:462601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18139482024-08-16 17:35:592601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18132932024-08-15 15:14:562601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18124282024-08-13 23:26:412601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18121702024-08-13 16:02:232601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18096722024-08-08 14:04:222601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18085742024-08-06 14:55:092601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18067502024-08-02 14:26:072601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18056052024-07-31 16:27:342601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18050582024-07-30 17:24:262601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18044202024-07-29 15:15:582601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18028792024-07-25 23:34:182601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18010492024-07-22 14:54:182601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17993422024-07-18 22:27:102601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17991142024-07-18 15:31:462601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17987792024-07-17 23:32:362601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17987712024-07-17 23:00:332601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17958102024-07-12 15:35:302601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17934872024-07-08 22:12:432601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17919072024-07-05 14:28:192601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17914272024-07-04 18:12:482601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17875602024-06-27 16:45:412601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17835792024-06-20 15:38:282601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17799112024-06-14 07:51:292601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17795022024-06-13 14:31:182601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17767732024-06-08 16:19:052601:283:4fxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report

All results shown
Last Modified