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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
20138482025-08-16 11:20:25177.101.91.x/2453047bra (Brazil)yesrewrittenrewrittennoneReport
19937812025-07-11 20:28:43177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19880722025-07-01 19:02:23177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19880412025-07-01 18:17:26177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19878142025-07-01 12:20:35177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19878062025-07-01 12:05:36177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19733912025-06-05 18:05:15177.101.91.x/2453047bra (Brazil)yesrewrittenrewrittennoneReport
19599242025-05-13 12:19:30177.101.91.x/2453047bra (Brazil)yesrewrittenrewrittennoneReport
19576992025-05-09 20:26:51177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19576872025-05-09 20:05:09177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19576772025-05-09 19:53:28177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19458252025-04-17 12:47:17177.101.91.x/2453047bra (Brazil)yesrewrittenrewrittennoneReport
19340372025-03-26 12:25:16177.101.91.x/2453047bra (Brazil)yesblockedblockednoneReport
19328862025-03-24 14:01:19177.101.91.x/2453047bra (Brazil)yesrewrittenrewrittennoneReport

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