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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
17615812024-05-10 21:22:3383.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17566342024-05-01 00:14:4183.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17526822024-04-23 16:08:1283.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17488342024-04-15 19:05:5383.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17447832024-04-07 21:01:0483.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17411112024-03-31 14:20:2983.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17366302024-03-21 21:34:4683.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17332262024-03-14 20:28:0083.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17292412024-03-06 21:36:5883.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17239392024-02-25 21:21:0983.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17199952024-02-17 17:45:2083.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17164932024-02-10 12:47:1583.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17127152024-02-02 22:08:3683.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17083492024-01-25 16:56:1783.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17045652024-01-17 20:17:3183.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
17007302024-01-10 17:50:0583.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15658532023-04-26 22:17:1683.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15623652023-04-19 21:09:3883.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15587602023-04-12 20:02:0283.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15536062023-04-03 08:33:4283.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15498152023-03-26 23:50:2383.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15460112023-03-19 22:42:4983.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15411832023-03-11 06:50:3183.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15372732023-03-03 22:54:3283.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15334312023-02-24 21:47:5283.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15290672023-02-16 23:09:2683.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15250932023-02-09 22:02:5083.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15207642023-02-02 20:25:2083.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
15166482023-01-26 16:43:4883.40.87.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport

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