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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
19995532025-07-22 11:09:05186.237.4.x/24262797bra (Brazil)yesblockedblockednoneReport
19814132025-06-19 17:53:04186.237.4.x/24262797bra (Brazil)yesblockedblockednoneReport
19499482025-04-25 11:44:49186.237.4.x/24262797bra (Brazil)yesblockedblockednoneReport
19457922025-04-17 11:35:58186.237.4.x/24262797bra (Brazil)yesblockedblockednoneReport

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