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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
20732182025-12-04 15:11:32177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20713792025-12-01 13:54:29177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20687502025-11-26 16:37:21177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20680862025-11-25 13:01:59177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20639842025-11-18 07:52:50177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20615132025-11-13 15:41:43177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20554352025-10-29 13:52:41177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20542312025-10-27 13:33:28177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20542112025-10-27 13:01:08177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20527242025-10-24 14:58:04177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20520412025-10-23 13:50:12177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20512662025-10-22 09:41:07177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20485012025-10-17 14:11:50177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20460702025-10-13 18:08:28177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20460432025-10-13 17:18:30177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20422412025-10-06 18:14:57177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20384942025-09-29 17:07:25177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20343182025-09-22 15:59:14177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20270882025-09-09 17:48:20177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20270082025-09-09 15:54:07177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20222512025-09-01 12:49:48177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20109092025-08-11 13:22:13177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20094092025-08-08 15:16:07177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20088212025-08-07 14:31:54177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20042022025-07-30 13:30:03177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20041602025-07-30 12:48:21177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20041462025-07-30 12:26:36177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
20041362025-07-30 12:14:54177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19990102025-07-21 15:03:58177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19951052025-07-14 15:32:03177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19910482025-07-07 14:24:06177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19851782025-06-26 15:05:28177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19806052025-06-18 12:17:52177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19760442025-06-10 17:13:07177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19732502025-06-05 13:53:17177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19719882025-06-03 15:18:37177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19686442025-05-27 14:09:59177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19638212025-05-19 15:34:36177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
19592882025-05-12 14:26:11177.39.156.x/2452772bra (Brazil)yesblockedblockednoneReport
14670002022-10-28 14:44:44177.39.156.x/2452772bra (Brazil)yesrewrittenrewrittennoneReport
14626872022-10-20 19:34:21177.39.156.x/2452772bra (Brazil)yesrewrittenrewrittennoneReport

All results shown
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