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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
20648472025-11-19 14:58:4945.181.107.x/24269180bra (Brazil)yesrewrittenrewrittennoneReport
20648312025-11-19 14:12:3445.181.107.x/24269180bra (Brazil)yesrewrittenrewrittennoneReport
20648072025-11-19 13:34:4145.181.107.x/24269180bra (Brazil)yesrewrittenrewrittennoneReport
20551982025-10-29 01:57:5845.181.107.x/24269180bra (Brazil)yesblockedblockednoneReport
20551942025-10-29 01:52:5545.181.107.x/24269180bra (Brazil)yesblockedblockednoneReport
20428122025-10-07 15:59:4745.181.107.x/24269180bra (Brazil)yesrewrittenrewrittennoneReport
20428052025-10-07 15:47:5345.181.107.x/24269180bra (Brazil)yesrewrittenrewrittennoneReport
20423582025-10-06 21:42:1645.181.107.x/24269180bra (Brazil)yesblockedblockednoneReport
20423432025-10-06 21:20:3245.181.107.x/24269180bra (Brazil)yesblockedblockednoneReport
20423342025-10-06 21:08:5045.181.107.x/24269180bra (Brazil)yesblockedblockednoneReport
20303342025-09-15 15:36:0145.181.107.x/24269180bra (Brazil)yesblockedblockednoneReport
20302972025-09-15 14:45:2345.181.107.x/24269180bra (Brazil)noblockedblocked/30Report
20302942025-09-15 14:42:1845.181.107.x/24269180bra (Brazil)noblockedblocked/30Report
20302912025-09-15 14:34:4345.181.107.x/24269180bra (Brazil)noblockedblocked/30Report

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