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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
7861972019-11-11 06:01:1171.57.19.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
7203922019-07-22 20:14:0671.57.19.x/247922 (COMCAST-7922)usa (United States)yesunknownunknownnoneReport
6768752019-05-09 19:56:5371.57.19.x/247922 (COMCAST-7922)usa (United States)yesunknownunknownnoneReport
3548222017-11-16 06:27:1871.57.19.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
3490372017-11-07 07:25:5771.57.19.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
3456662017-11-01 17:34:0971.57.19.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
3456612017-11-01 17:30:5071.57.19.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport

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