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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
20538902025-10-26 23:19:45177.131.189.x/2428210bra (Brazil)yesreceivedreceived/8Report
20537112025-10-26 12:05:28177.131.189.x/2428210bra (Brazil)yesreceivedreceived/8Report
17682092024-05-24 02:01:46177.131.189.x/2428210bra (Brazil)yesreceivedreceived/8Report
17558172024-04-29 13:44:26177.131.189.x/2428210bra (Brazil)yesreceivedreceived/8Report
16550122023-10-14 22:19:37177.131.189.x/2428210bra (Brazil)yesreceivedreceived/8Report
13491162022-04-15 19:35:28177.131.189.x/2428210bra (Brazil)yesblockedreceived/8Report
12851852022-01-04 21:27:34177.131.189.x/2428210bra (Brazil)yesblockedreceived/8Report

All results shown
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