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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
21471772026-04-17 17:11:0345.231.136.x/24267203bra (Brazil)yesblockedreceived/8Report
21461052026-04-15 19:24:0345.231.136.x/24267203bra (Brazil)yesblockedreceived/8Report
21460842026-04-15 18:42:1045.231.136.x/24267203bra (Brazil)yesblockedreceived/8Report
21460822026-04-15 18:36:3445.231.136.x/24267203bra (Brazil)noblockedreceived/8Report
21460712026-04-15 18:23:1145.231.136.x/24267203bra (Brazil)noblockedreceived/8Report
21460592026-04-15 18:09:1945.231.136.x/24267203bra (Brazil)yesblockedreceived/8Report
21460462026-04-15 17:51:4345.231.136.x/24267203bra (Brazil)yesblockedreceived/8Report
21460432026-04-15 17:48:5245.231.136.x/24267203bra (Brazil)yesblockedreceived/8Report

All results shown
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