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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
21045212026-01-30 17:13:4279.137.203.x/24210644deu (Germany)yesrewrittenreceivednoneReport
21045022026-01-30 16:30:5379.137.203.x/24210644deu (Germany)yesrewrittenreceivednoneReport
21044872026-01-30 16:07:5479.137.203.x/24210644deu (Germany)yesrewrittenreceivednoneReport
21044822026-01-30 15:54:5879.137.203.x/24210644deu (Germany)yesrewrittenreceivednoneReport
16578202023-10-20 04:47:192a12:5940:d4xx::/40210644rus (Russian Federation)noreceivedreceived/16Report
16550192023-10-14 23:13:252a12:5940:d0xx::/40210644rus (Russian Federation)noreceivedreceived/16Report
15947652023-06-22 17:01:432a12:5940:d1xx::/40210644rus (Russian Federation)noreceivedreceived/16Report

All results shown
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