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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
21123362026-02-12 22:07:19151.243.242.x/24210476irn (Iran)yesblockedreceived/9Report
21108792026-02-10 17:19:36151.243.242.x/24210476irn (Iran)yesrewrittenreceivednoneReport
21097612026-02-09 05:11:12151.243.242.x/24210476irn (Iran)yesrewrittenreceivednoneReport
21081262026-02-05 20:59:58151.243.242.x/24210476irn (Iran)yesblockedreceived/9Report
21056092026-02-02 04:03:48151.243.242.x/24210476irn (Iran)yesrewrittenreceivednoneReport
21041222026-01-29 21:44:48151.243.242.x/24210476irn (Iran)yesrewrittenreceivednoneReport
21040772026-01-29 19:52:35151.243.242.x/24210476irn (Iran)yesblockedreceived/9Report

All results shown
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