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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
21145442026-02-16 23:35:4637.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
21132262026-02-14 13:28:3837.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
21086422026-02-06 20:36:3837.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
21077152026-02-05 07:25:4537.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
21035212026-01-29 00:26:1237.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20995662026-01-21 23:18:3037.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20971152026-01-17 23:29:5637.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20930782026-01-10 22:22:0537.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20891362026-01-03 20:59:4237.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20858352025-12-27 17:58:0537.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20850972025-12-26 00:05:4637.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20824992025-12-20 13:36:3737.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20817222025-12-18 22:57:3437.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20795272025-12-15 19:43:0837.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20752702025-12-08 15:45:1537.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20733412025-12-04 19:27:0637.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20689562025-11-26 22:20:4537.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20650502025-11-19 21:12:3537.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20650392025-11-19 20:30:1937.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20604582025-11-11 22:49:3737.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport
20550992025-10-28 20:33:0337.189.248.x/243243 (MEO-RESIDENCIAL)prt (Portugal)yesrewrittenrewrittennoneReport

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