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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
19308722025-03-20 10:22:57138.122.153.x/24264321bra (Brazil)yesrewrittenreceivednoneReport
19299612025-03-18 19:14:12138.122.153.x/24264321bra (Brazil)yesblockedblockednoneReport
19299582025-03-18 19:08:49138.122.153.x/24264321bra (Brazil)yesblockedblockednoneReport
19299582025-03-18 19:08:492804:2610:xx::/40264321bra (Brazil)noreceivedreceived/16Report
19299542025-03-18 19:05:14138.122.153.x/24264321bra (Brazil)yesrewrittenreceivednoneReport
19299542025-03-18 19:05:142804:2610:xx::/40264321bra (Brazil)noreceivedreceived/16Report
19299522025-03-18 19:02:43138.122.153.x/24264321bra (Brazil)yesrewrittenreceivednoneReport
19299522025-03-18 19:02:432804:2610:xx::/40264321bra (Brazil)noreceivedreceived/16Report
19299372025-03-18 18:37:31138.122.153.x/24264321bra (Brazil)yesrewrittenreceivednoneReport
19299372025-03-18 18:37:312804:2610:xx::/40264321bra (Brazil)noreceivedreceived/16Report
19299352025-03-18 18:34:24138.122.153.x/24264321bra (Brazil)yesrewrittenreceivednoneReport
19299352025-03-18 18:34:242804:2610:xx::/40264321bra (Brazil)noreceivedreceived/16Report
16186102023-08-07 21:15:25170.239.27.x/24264321bra (Brazil)yesrewrittenrewrittennoneReport
16186102023-08-07 21:15:252804:2610:67xx::/40264321bra (Brazil)noblockedblocked/64Report
7493502019-09-12 13:17:42138.122.155.x/24264321bra (Brazil)yesrewrittenrewrittennoneReport

All results shown
Last Modified 04/04/2025 18:58:43