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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
18997742025-01-25 16:29:04177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12955972022-01-24 19:09:07177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12955972022-01-24 19:09:072804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12933282022-01-20 09:53:15177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12933282022-01-20 09:53:152804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12928232022-01-19 12:32:25177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12928232022-01-19 12:32:252804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12916382022-01-17 10:58:58177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12916382022-01-17 10:58:582804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12911972022-01-16 12:35:57177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12911972022-01-16 12:35:572804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12903462022-01-14 16:47:35177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12903462022-01-14 16:47:352804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12896872022-01-13 14:49:57177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12896872022-01-13 14:49:572804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12896682022-01-13 14:14:50177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12896682022-01-13 14:14:502804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12896072022-01-13 12:20:10177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12896072022-01-13 12:20:102804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12890512022-01-12 12:26:32177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12890512022-01-12 12:26:322804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12890432022-01-12 12:05:05177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12890322022-01-12 11:42:29177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12890322022-01-12 11:42:292804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12886952022-01-11 19:50:47177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12886952022-01-11 19:50:472804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12885692022-01-11 16:02:07177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12885692022-01-11 16:02:072804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12884962022-01-11 12:55:15177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12884962022-01-11 12:55:152804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12860102022-01-06 12:36:58177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12860102022-01-06 12:36:582804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12855362022-01-05 14:34:55177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12855362022-01-05 14:34:552804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12854832022-01-05 13:01:30177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12854832022-01-05 13:01:302804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12851762022-01-04 21:09:19177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12851762022-01-04 21:09:192804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12850982022-01-04 18:22:41177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12850982022-01-04 18:22:412804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12849922022-01-04 14:40:00177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12849922022-01-04 14:40:002804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12849352022-01-04 12:45:16177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12849352022-01-04 12:45:162804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12848962022-01-04 11:24:50177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12848962022-01-04 11:24:502804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12845872022-01-03 20:37:40177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12845872022-01-03 20:37:402804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12842902022-01-03 11:16:09177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12842902022-01-03 11:16:092804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12840002022-01-02 21:39:30177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12840002022-01-02 21:39:302804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12812362021-12-29 20:22:05177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12812362021-12-29 20:22:052804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12805922021-12-28 17:13:58177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12805922021-12-28 17:13:582804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12803652021-12-28 09:32:12177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12803652021-12-28 09:32:122804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12802182021-12-27 23:50:43177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12802182021-12-27 23:50:432804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12795012021-12-26 16:50:382804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12786872021-12-24 14:44:00177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12786872021-12-24 14:44:002804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12786082021-12-24 12:37:19177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12786082021-12-24 12:37:192804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12776942021-12-22 19:07:26177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12776942021-12-22 19:07:262804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12775202021-12-22 13:14:16177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12775202021-12-22 13:14:162804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12774342021-12-22 10:10:31177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12774342021-12-22 10:10:312804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12713642021-12-17 12:24:37177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12713642021-12-17 12:24:372804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12707082021-12-16 11:02:41177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12707082021-12-16 11:02:412804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12706932021-12-16 10:33:34177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12706932021-12-16 10:33:342804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12697192021-12-14 22:29:00177.39.125.x/2452765bra (Brazil)yesblockedblockednoneReport
12697192021-12-14 22:29:002804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12689552021-12-13 17:56:37177.39.125.x/2452765bra (Brazil)yesblockedblockednoneReport
12689552021-12-13 17:56:372804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12687082021-12-13 11:50:25177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12687082021-12-13 11:50:252804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12665782021-12-09 12:00:08177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12665782021-12-09 12:00:082804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12646332021-12-06 12:00:58177.39.123.x/2452765bra (Brazil)yesblockedblockednoneReport
12646332021-12-06 12:00:582804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report
12611132021-11-30 10:49:11177.39.126.x/2452765bra (Brazil)yesblockedblockednoneReport
12611132021-11-30 10:49:112804:b54:83xx::/4052765bra (Brazil)noblockedblocked/64Report

All results shown
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