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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
21589562026-05-10 19:27:0283.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21588592026-05-10 14:48:1688.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21588492026-05-10 14:30:0283.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21569162026-05-06 21:06:2183.40.8.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21549702026-05-03 14:30:0283.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21549542026-05-03 13:41:1488.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21526152026-04-28 18:12:0283.37.21.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21525652026-04-28 16:40:4083.40.8.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21514332026-04-26 13:42:0183.37.17.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21514122026-04-26 12:34:0488.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21489872026-04-21 15:33:3083.40.8.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21479612026-04-19 15:19:0183.35.168.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21478992026-04-19 11:27:0288.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21478952026-04-19 11:14:2388.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21475442026-04-18 13:40:0183.37.20.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21448962026-04-13 19:09:2983.40.82.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21439212026-04-11 13:40:0288.16.218.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21434302026-04-10 13:30:3388.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21411722026-04-06 17:49:4583.40.82.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21409052026-04-06 08:24:0288.16.218.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21407072026-04-05 19:08:0288.16.65.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21397362026-04-03 12:23:2688.8.64.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21386072026-04-01 10:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21358222026-03-27 11:16:0988.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21349302026-03-25 18:27:3283.40.82.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21346632026-03-25 10:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21346462026-03-25 09:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21346222026-03-25 08:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21346062026-03-25 07:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21345852026-03-25 06:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21345642026-03-25 05:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21345462026-03-25 04:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21345252026-03-25 03:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21345112026-03-25 02:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21344892026-03-25 01:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21344732026-03-25 00:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21344612026-03-24 23:17:0483.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21344472026-03-24 22:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21344262026-03-24 21:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21344022026-03-24 20:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21343612026-03-24 19:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21343192026-03-24 18:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21342872026-03-24 17:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21342632026-03-24 16:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21342262026-03-24 15:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21341962026-03-24 14:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21341512026-03-24 13:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21341162026-03-24 12:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21340932026-03-24 11:36:5388.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21340792026-03-24 11:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21340592026-03-24 10:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21340332026-03-24 09:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21340242026-03-24 08:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21339962026-03-24 07:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21339792026-03-24 06:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21339552026-03-24 05:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21339352026-03-24 04:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21339202026-03-24 03:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21339032026-03-24 02:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21338852026-03-24 01:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21338712026-03-24 00:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21338572026-03-23 23:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21338442026-03-23 22:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21338212026-03-23 21:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21337942026-03-23 20:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21337662026-03-23 19:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21337282026-03-23 18:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21336922026-03-23 17:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21336562026-03-23 16:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21336212026-03-23 15:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21335752026-03-23 14:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21335172026-03-23 13:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21334812026-03-23 12:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21334412026-03-23 11:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21334182026-03-23 10:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21334052026-03-23 09:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21333892026-03-23 08:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21333622026-03-23 07:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21333352026-03-23 06:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21333132026-03-23 05:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21332832026-03-23 04:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21332602026-03-23 03:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21332442026-03-23 02:17:0383.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21332202026-03-23 01:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21331992026-03-23 00:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21331862026-03-22 23:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21331682026-03-22 22:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21331482026-03-22 21:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21331292026-03-22 20:17:0183.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21331152026-03-22 19:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21330962026-03-22 18:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21330772026-03-22 17:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21303392026-03-17 10:29:4888.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21303132026-03-17 09:09:4583.40.82.x/243352 (Telefonica_de_Espana)esp (Spain)yesblockedblockednoneReport
21293622026-03-15 17:17:0283.37.18.x/243352 (Telefonica_de_Espana)esp (Spain)norewrittenrewrittennoneReport
21282662026-03-13 09:11:1388.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21276932026-03-12 09:22:1388.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21276922026-03-12 09:17:2288.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21271182026-03-11 10:00:0788.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport
21261172026-03-09 17:30:1088.8.67.x/243352 (Telefonica_de_Espana)esp (Spain)yesrewrittenrewrittennoneReport

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