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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
20719822025-12-02 12:25:00191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20719752025-12-02 12:19:19191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20688722025-11-26 19:45:41191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20661952025-11-21 19:24:03191.37.100.x/24263357bra (Brazil)yesreceivedreceived/8Report
20661852025-11-21 19:04:15191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20661652025-11-21 18:32:12191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20659932025-11-21 12:52:41191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20620162025-11-14 11:44:49191.37.100.x/24263357bra (Brazil)yesblockedblockednoneReport
20616202025-11-13 18:26:08191.37.110.x/24263357bra (Brazil)yesreceivedreceived/8Report
13870672022-06-23 17:54:42191.37.99.x/24263357bra (Brazil)yesrewrittenreceivednoneReport
5397842018-09-21 20:32:28191.37.123.x/24263357bra (Brazil)yesblockedblockednoneReport

All results shown
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