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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
17129282024-02-03 13:18:102601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
17092332024-01-27 05:29:482601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
17057532024-01-20 01:46:542601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
16877452023-12-15 07:10:272601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report
16840782023-12-08 06:03:372601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report
16802552023-12-01 04:56:462601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16739542023-11-19 17:22:472601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
16696902023-11-11 03:39:202601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
16696092023-11-10 22:28:372601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
16678082023-11-07 21:15:012601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16624772023-10-28 18:27:482601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
16624572023-10-28 17:42:332601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report
16624542023-10-28 17:33:482601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
16621742023-10-28 05:17:562601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
16621642023-10-28 04:29:042601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
16621382023-10-28 02:29:502601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
16619742023-10-27 19:24:192601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/112Report
16610352023-10-26 06:11:042601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
16556642023-10-16 12:21:322601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
16526312023-10-10 18:33:322601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
16482392023-10-02 12:18:402601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report
16446312023-09-25 04:56:332601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
16407012023-09-18 03:49:362601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16324642023-09-01 20:08:292601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16324592023-09-01 19:56:412601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16323442023-09-01 17:33:242601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16249382023-08-19 00:21:562601:245:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report

All results shown
Last Modified