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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
20707162025-11-30 05:57:08170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
20707162025-11-30 05:57:082804:30e0:xx::/40264978bra (Brazil)no✔blockedreceived/24Report
20668272025-11-23 04:48:40170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
20668272025-11-23 04:48:402804:30e0:xx::/40264978bra (Brazil)no✔blockedreceived/24Report
20628502025-11-16 03:40:18170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
20628502025-11-16 03:40:182804:30e0:xx::/40264978bra (Brazil)no✔blockedreceived/24Report
20573702025-11-02 01:23:19170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
20573702025-11-02 01:23:192804:30e0:xx::/40264978bra (Brazil)no✔blockedreceived/24Report
20534822025-10-26 00:14:56170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
20534822025-10-26 00:14:562804:30e0:xx::/40264978bra (Brazil)no✔blockedreceived/24Report
20534792025-10-26 00:12:33170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
20534792025-10-26 00:12:332804:30e0:xx::/40264978bra (Brazil)no✔blockedreceived/24Report
19387752025-04-03 19:43:25170.0.164.x/24264978bra (Brazil)yes✔receivedreceived/8Report
14172582022-08-13 15:32:55170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
14172582022-08-13 15:32:552804:30e0:xx::/40264978bra (Brazil)no✔receivedreceived/16Report
14132652022-08-06 14:16:10170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
14132652022-08-06 14:16:102804:30e0:xx::/40264978bra (Brazil)no✔receivedreceived/16Report
14119822022-08-04 00:33:33170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
14119822022-08-04 00:33:332804:30e0:xx::/40264978bra (Brazil)no✔receivedreceived/16Report
14119782022-08-04 00:27:18170.0.164.x/24264978bra (Brazil)no✔blockedreceived/8Report
14119782022-08-04 00:27:182804:30e0:xx::/40264978bra (Brazil)no✔receivedreceived/16Report

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