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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
19802612025-06-17 20:37:51187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19526512025-04-30 13:12:49187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19489872025-04-23 19:41:35187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19461492025-04-17 23:05:19187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19428882025-04-11 13:13:14187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19426432025-04-10 21:56:46187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19424072025-04-10 13:44:58187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19420742025-04-09 22:10:12187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19419562025-04-09 18:02:33187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19334532025-03-25 12:58:17187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport
19331502025-03-24 22:40:05187.33.255.x/2453087bra (Brazil)yesblockedblockednoneReport

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