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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
21943982026-07-10 13:38:4191.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesblockedblockednoneReport
21943832026-07-10 13:11:39176.97.30.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblockednoneReport
21943762026-07-10 12:58:47176.97.30.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblockednoneReport
21943732026-07-10 12:55:19176.97.30.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblockednoneReport
21943682026-07-10 12:49:40176.97.30.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenrewrittennoneReport
21943582026-07-10 12:37:36176.97.30.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenrewrittennoneReport
21943282026-07-10 11:53:5591.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesblockedblockednoneReport
21943282026-07-10 11:53:552a0f:1700:xx::/40198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblocked/64Report
21942722026-07-10 09:37:5191.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesblockedblockednoneReport
21942722026-07-10 09:37:512a0f:1700:xx::/40198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblocked/64Report
21942682026-07-10 09:31:0391.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesblockedblockednoneReport
21942682026-07-10 09:31:032a0f:1700:xx::/40198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblocked/64Report
21942622026-07-10 09:06:1191.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
21942622026-07-10 09:06:112a0f:1700:xx::/40198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblocked/64Report
21942212026-07-10 07:13:4791.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
21942212026-07-10 07:13:472a0f:1700:xx::/40198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblocked/64Report
21942172026-07-10 07:02:48176.97.30.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenrewrittennoneReport
21939642026-07-09 19:12:3891.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
21939642026-07-09 19:12:382a0f:1700:xx::/40198050 (ALFA-SYSTEM-AS)pol (Poland)noblockedblocked/64Report
21939542026-07-09 18:56:5891.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesblockedblockednoneReport
6302252019-02-25 07:54:2391.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
6298462019-02-24 13:44:2291.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
6022962019-01-07 21:17:1291.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
6014532019-01-06 11:24:3191.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
5808072018-11-30 22:15:4791.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport
5766912018-11-23 21:09:1991.231.70.x/24198050 (ALFA-SYSTEM-AS)pol (Poland)yesrewrittenreceivednoneReport

All results shown
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