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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
21117722026-02-12 02:20:3776.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
21112342026-02-11 09:27:5076.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
21069432026-02-04 08:20:2876.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
21047282026-01-31 01:36:2476.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
21030302026-01-28 07:13:0776.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20957292026-01-15 12:49:1876.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20955162026-01-15 01:36:1676.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20945782026-01-13 13:07:2576.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20906572026-01-06 12:00:2276.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20825402025-12-20 15:26:0876.104.77.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport

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