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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
20747982025-12-07 21:04:582a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)noblockedreceived/16Report
20515372025-10-22 17:41:312a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)noblockedreceived/16Report
20483132025-10-17 07:45:482a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)noblockedblockednoneReport
20443052025-10-10 06:38:012a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)noblockedblockednoneReport
20405762025-10-03 05:30:202a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)noblockedblockednoneReport
20364602025-09-26 04:22:362a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)noblockedblockednoneReport
20326232025-09-19 03:14:582a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)nounknownunknownnoneReport
20287262025-09-12 02:07:182a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)nounknownunknownnoneReport
20244892025-09-05 00:59:402a0f:9400:61xx::/40204969 (AS_CIRTEL)usa (United States)nounknownunknownnoneReport

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