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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
16775092023-11-26 02:35:0673.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16736382023-11-18 21:48:2573.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16727042023-11-17 00:02:3373.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16689792023-11-09 22:11:0373.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16648022023-11-02 02:39:4273.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16636002023-10-31 03:29:0873.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16597782023-10-24 02:22:2973.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
16597702023-10-24 01:46:0073.21.9.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport

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