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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
21583882026-05-09 13:28:582403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21544482026-05-02 12:21:032403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21509882026-04-25 11:13:142403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21474792026-04-18 10:05:292403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21438662026-04-11 08:57:392403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21401092026-04-04 07:49:522403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21363062026-03-28 06:42:042403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21324282026-03-21 05:34:17154.12.190.x/24906nld (Netherlands)noblockedreceived/8Report
21324282026-03-21 05:34:172403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report
21287282026-03-14 04:26:30154.12.190.x/24906nld (Netherlands)noblockedreceived/8Report
21287282026-03-14 04:26:302403:18c0:10xx::/40906nld (Netherlands)noblockedreceived/16Report

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