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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
21137422026-02-15 13:24:40143.255.242.x/24265157bra (Brazil)yesblockedblockednoneReport
21137272026-02-15 12:39:39143.255.242.x/24265157bra (Brazil)yesblockedblockednoneReport
21137182026-02-15 12:14:39143.255.242.x/24265157bra (Brazil)yesblockedblockednoneReport
21137122026-02-15 11:59:39143.255.242.x/24265157bra (Brazil)yesblockedblockednoneReport
21124202026-02-13 01:56:59143.255.243.x/24265157bra (Brazil)yesrewrittenrewrittennoneReport
21117062026-02-11 22:41:42143.255.242.x/24265157bra (Brazil)yesblockedblockednoneReport
18411242024-10-08 17:28:49143.255.240.x/24265157bra (Brazil)noblockedblockednoneReport
18411242024-10-08 17:28:492804:2b84:xx::/40265157bra (Brazil)noblockedblockednoneReport

All results shown
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