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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
20767092025-12-10 18:54:1431.173.83.x/2425159 (SONICDUO-AS)rus (Russian Federation)yesunknownunknownnoneReport
20598572025-11-10 20:53:4131.173.83.x/2425159 (SONICDUO-AS)rus (Russian Federation)yesunknownunknownnoneReport
20598152025-11-10 20:11:5631.173.83.x/2425159 (SONICDUO-AS)rus (Russian Federation)yesunknownunknownnoneReport
20597942025-11-10 19:50:1031.173.83.x/2425159 (SONICDUO-AS)rus (Russian Federation)yesunknownunknownnoneReport
20597802025-11-10 19:38:2431.173.83.x/2425159 (SONICDUO-AS)rus (Russian Federation)yesunknownunknownnoneReport

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