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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
20290652025-09-12 15:50:44201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
20239512025-09-04 02:50:52201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
20161762025-08-20 23:26:16201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19975222025-07-18 13:53:53201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19927172025-07-10 00:00:49201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19888012025-07-02 22:52:54201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19847352025-06-25 21:44:59201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19809452025-06-18 20:36:59201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19768072025-06-11 19:28:43201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19727772025-06-04 18:20:40201.237.109.x/2411830cri (Costa Rica)yesblockedblockednoneReport
19664192025-05-23 16:48:14201.237.109.x/2411830cri (Costa Rica)yesunknownunknownnoneReport
19664022025-05-23 16:10:41201.237.109.x/2411830cri (Costa Rica)yesunknownunknownnoneReport

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