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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
21804172026-06-16 00:50:35210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/23Report
21804132026-06-16 00:46:12210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/26Report
21803922026-06-15 23:10:08210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21803802026-06-15 22:16:06210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21800472026-06-15 10:07:41210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21744822026-06-05 08:02:33210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/27Report
21744722026-06-05 07:18:48210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21744692026-06-05 07:09:46210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21744662026-06-05 07:00:49210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21695272026-05-28 08:35:38210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report
21693302026-05-27 22:17:37210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/10Report
21693272026-05-27 22:12:34210.143.144.x/2410013 (FBDC)jpn (Japan)yesblockedreceived/9Report

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