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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
12954162022-01-24 12:21:5862.133.128.x/2438987 (OST-AS)pol (Poland)yesblockedreceived/8Report
12438082021-11-03 10:54:5262.133.128.x/2438987 (OST-AS)pol (Poland)yesblockedreceived/8Report
12367012021-10-22 09:39:5062.133.128.x/2438987 (OST-AS)pol (Poland)yesblockedreceived/8Report
12303002021-10-12 10:30:5762.133.128.x/2438987 (OST-AS)pol (Poland)yesrewrittenreceivednoneReport
12302992021-10-12 10:25:5762.133.128.x/2438987 (OST-AS)pol (Poland)yesrewrittenreceivednoneReport
12281142021-10-08 10:43:5162.133.128.x/2438987 (OST-AS)pol (Poland)yesblockedreceived/8Report
12262322021-10-05 11:13:1962.133.128.x/2438987 (OST-AS)pol (Poland)yesrewrittenreceivednoneReport

All results shown
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