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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
21023342026-01-27 04:34:38165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20983832026-01-20 03:28:24165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20943042026-01-13 02:22:05165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20904132026-01-06 01:15:50165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20870062025-12-30 00:09:39165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20837022025-12-22 23:03:28165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20796542025-12-15 21:57:11165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20754742025-12-08 20:50:56165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20715782025-12-01 19:44:42165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20676262025-11-24 18:38:26165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20636442025-11-17 17:32:10165.99.42.x/24401701aus (Australia)yesblockedblockednoneReport
20542142025-10-27 13:04:39165.99.42.x/24401696aus (Australia)yesblockedblockednoneReport
20500272025-10-20 11:58:23165.99.42.x/24401696aus (Australia)yesblockedblockednoneReport

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