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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
17169942024-02-11 16:27:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
17151702024-02-07 21:27:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
17127722024-02-03 01:12:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
17035132024-01-15 23:52:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
17009272024-01-11 00:17:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
16646492023-11-01 19:22:0283.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
16608342023-10-25 19:22:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
16571022023-10-18 19:22:0283.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
16539612023-10-12 20:12:0183.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport

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