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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
21052832026-02-01 07:02:362601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
21012572026-01-25 05:55:592601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20972072026-01-18 04:48:582601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20936062026-01-12 03:40:072601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20896332026-01-05 01:43:152601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20863212025-12-29 00:36:242601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20825922025-12-20 18:36:092601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20784272025-12-13 17:26:542601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
20742742025-12-06 16:20:142601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20704572025-11-29 15:12:412601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report
20658162025-11-21 05:39:492601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20657962025-11-21 04:22:012601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20618562025-11-14 02:50:302601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20547302025-10-28 06:24:002601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20505832025-10-21 04:59:522601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20463472025-10-14 03:53:032601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20424812025-10-07 02:45:162601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20387852025-09-30 01:12:402601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20342622025-09-22 14:16:062601:643:80xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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