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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
20737212025-12-05 13:29:59138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20465432025-10-14 12:39:00138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20318422025-09-17 18:44:04138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20310272025-09-16 15:09:06138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20278832025-09-10 21:12:13138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20278052025-09-10 19:07:31138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20277992025-09-10 19:01:23138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20237692025-09-03 17:53:04138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20230672025-09-02 17:06:56138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
20230612025-09-02 17:01:05138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport
19387602025-04-03 19:07:28138.121.252.x/24262765bra (Brazil)yesblockedblockednoneReport

All results shown
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