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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
20712002025-12-01 08:00:2246.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20711852025-12-01 07:24:0946.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20633372025-11-17 09:16:2746.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20633212025-11-17 08:48:5546.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20633032025-11-17 08:18:1746.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20632932025-11-17 08:03:1946.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20561142025-10-30 14:47:1346.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20558832025-10-30 07:47:5546.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20558802025-10-30 07:36:1946.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20501512025-10-20 14:51:3646.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20501262025-10-20 14:18:3546.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20500542025-10-20 12:35:3746.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20500372025-10-20 12:12:5146.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport
20500302025-10-20 12:00:1246.243.189.x/24208864nld (Netherlands)yesblockedblockednoneReport

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