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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
8443352020-02-19 05:26:0776.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8402162020-02-12 06:02:3276.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8358112020-02-03 21:23:4176.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8314212020-01-27 20:12:5176.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8271862020-01-20 19:01:5276.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8242582020-01-15 16:10:0976.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8201232020-01-08 00:13:0476.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8199072020-01-07 16:28:2276.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8160132019-12-30 21:46:5276.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8101032019-12-18 23:55:5776.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8059382019-12-11 22:44:5876.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
8014082019-12-04 21:33:5476.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
7968832019-11-27 20:23:1176.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
7927022019-11-20 19:12:2676.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
7844182019-11-07 20:51:3576.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
7800902019-10-31 15:48:2476.21.74.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport

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