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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
20618052025-11-13 23:53:15177.86.139.x/24271080bra (Brazil)yesrewrittenrewrittennoneReport
20618052025-11-13 23:53:152804:75f4:8bxx::/40271080bra (Brazil)nounknownunknownnoneReport
20617952025-11-13 23:31:27177.86.137.x/24271080bra (Brazil)yesrewrittenrewrittennoneReport
20617952025-11-13 23:31:272804:75f4:8bxx::/40271080bra (Brazil)nounknownunknownnoneReport
20364932025-09-26 05:56:33177.86.138.x/24271080bra (Brazil)yesblockedblockednoneReport
20364932025-09-26 05:56:332804:75f4:8bxx::/40271080bra (Brazil)noblockedblocked/64Report
20056782025-08-01 19:32:51177.86.138.x/24271080bra (Brazil)yesblockedblockednoneReport
20056682025-08-01 19:21:13177.86.138.x/24271080bra (Brazil)yesblockedblockednoneReport
20018302025-07-26 02:43:57177.86.138.x/24271080bra (Brazil)yesblockedblockednoneReport
20018282025-07-26 02:32:10177.86.138.x/24271080bra (Brazil)yesblockedblockednoneReport
20018072025-07-26 00:50:14177.86.138.x/24271080bra (Brazil)yesblockedblockednoneReport

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