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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
21359082026-03-27 13:47:24164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21358462026-03-27 12:00:51164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21354722026-03-26 18:52:41164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21340722026-03-24 11:04:16164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21331452026-03-22 21:10:26164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21331272026-03-22 20:10:35164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21330292026-03-22 14:04:20164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21330172026-03-22 13:26:24164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21330092026-03-22 13:07:21164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21329662026-03-22 11:02:20164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21327222026-03-21 21:11:45164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21326332026-03-21 16:12:20164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21325572026-03-21 12:25:59164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport
21323502026-03-21 01:16:38164.163.65.x/24267433bra (Brazil)yesrewrittenreceivednoneReport

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