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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
22631892026-11-05 01:09:362804:2190:d4xx::/40264562bra (Brazil)noblockedreceived/24Report
22014932026-07-22 10:40:162804:2190:d4xx::/40264562bra (Brazil)noblockedreceived/24Report
21342132026-03-24 14:50:2845.174.189.x/24264562bra (Brazil)yesrewrittenreceived/30Report
21341892026-03-24 14:08:3345.174.189.x/24264562bra (Brazil)yesrewrittenreceived/30Report
21341712026-03-24 13:46:2645.174.189.x/24264562bra (Brazil)yesrewrittenreceived/30Report
21341612026-03-24 13:34:2345.174.189.x/24264562bra (Brazil)yesrewrittenreceived/30Report
21341152026-03-24 12:16:022804:2190:20xx::/40264562bra (Brazil)noblockedreceived/32Report
21341072026-03-24 12:02:2745.174.189.x/24264562bra (Brazil)yesrewrittenreceived/30Report
21274912026-03-11 23:03:312804:2190:d4xx::/40264562bra (Brazil)noblockedreceived/32Report
20702002025-11-29 00:19:342804:2190:d5xx::/40264562bra (Brazil)noblockedreceived/32Report
20701882025-11-28 23:39:422804:2190:d5xx::/40264562bra (Brazil)noblockedreceived/32Report

All results shown
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