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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
21260402026-03-09 14:42:37177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21260342026-03-09 14:32:50177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21239852026-03-05 14:01:12177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21239602026-03-05 13:22:16177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21236162026-03-04 22:30:26177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21201952026-02-26 13:39:35177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21201842026-02-26 13:20:36177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21198772026-02-25 22:49:28177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21194372026-02-25 06:28:58177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21123932026-02-13 00:53:23177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21058302026-02-02 13:55:43177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21058172026-02-02 13:39:51177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
21041622026-01-30 00:24:23177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
15479912023-03-23 07:50:57177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
15439112023-03-16 00:40:58177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport
15436332023-03-15 15:00:06177.22.181.x/2453167bra (Brazil)yesblockedblockednoneReport

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