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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
20683572025-11-26 00:29:14170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20644902025-11-18 23:22:24170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20644742025-11-18 22:40:39170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20644612025-11-18 22:18:51170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20644562025-11-18 22:07:05170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20369542025-09-26 20:03:41170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20329872025-09-19 18:21:37170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20329502025-09-19 17:23:37170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20329342025-09-19 16:50:27170.231.121.x/24265055bra (Brazil)yesblockedblockednoneReport
20319432025-09-17 21:55:19170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
20319282025-09-17 21:13:41170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
20319232025-09-17 20:52:03170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
20319172025-09-17 20:40:18170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
20271632025-09-09 19:54:40170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
20271332025-09-09 18:58:19170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
20271212025-09-09 18:36:41170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
19887812025-07-02 22:05:09170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport
19860032025-06-28 01:29:31170.231.121.x/24265055bra (Brazil)yesrewrittenrewrittennoneReport

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