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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
20143622025-08-17 19:52:0383.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
20105172025-08-10 19:52:0283.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
20065752025-08-03 19:52:0183.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
20061222025-08-02 18:02:0283.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
20021052025-07-26 18:02:0183.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
18186802024-08-26 17:07:0283.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
17269482024-03-02 13:17:0283.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
17232652024-02-24 13:17:0183.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
16408832023-09-18 11:42:0283.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport

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