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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
20552062025-10-29 02:32:461.55.164.x/2418403 (FPT-AS-AP)vnm (Vietnam)yesblockedblocked/14Report
20551922025-10-29 01:48:291.55.164.x/2418403 (FPT-AS-AP)vnm (Vietnam)yesblockedblocked/14Report
1210162017-01-01 03:06:011.55.164.x/2418403 (FPT-AS-AP)vnm (Vietnam)yesrewrittenrewrittennoneReport
1207632016-12-31 14:06:131.55.164.x/2418403 (FPT-AS-AP)vnm (Vietnam)yesrewrittenrewrittennoneReport
1201332016-12-30 05:13:041.55.164.x/2418403 (FPT-AS-AP)vnm (Vietnam)yesrewrittenrewrittennoneReport
1201002016-12-30 03:08:521.55.164.x/2418403 (FPT-AS-AP)vnm (Vietnam)yesrewrittenrewrittennoneReport

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