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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
16353382023-09-07 16:46:12193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16207412023-08-11 12:30:57193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16170322023-08-04 11:23:59193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16133342023-07-28 10:17:13193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedrewrittennoneReport
16133302023-07-28 10:11:10193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16133222023-07-28 10:00:08193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16133192023-07-28 09:47:56193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16133152023-07-28 09:41:42193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
16133122023-07-28 09:29:08193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedrewrittennoneReport
16116692023-07-25 06:07:27193.153.21.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport

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