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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
20703352025-11-29 09:18:2214.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20693572025-11-27 15:36:1014.12.144.x/242516 (KDDI)jpn (Japan)yesrewrittenrewrittennoneReport
20664102025-11-22 08:11:2614.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20663982025-11-22 07:29:3514.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20663922025-11-22 07:07:4814.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20663862025-11-22 06:55:4914.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20631082025-11-16 19:45:5414.12.144.x/242516 (KDDI)jpn (Japan)yesrewrittenrewrittennoneReport
20612892025-11-13 08:57:3914.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20557242025-10-29 22:07:5614.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20557082025-10-29 21:26:0414.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20557012025-10-29 21:04:0714.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20556972025-10-29 20:52:3014.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20547972025-10-28 09:09:5314.12.144.x/242516 (KDDI)jpn (Japan)yesrewrittenrewrittennoneReport
20515082025-10-22 16:34:5714.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20472932025-10-15 15:28:1414.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20433252025-10-08 14:21:3314.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20433082025-10-08 13:39:4114.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20432942025-10-08 13:17:5214.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20432882025-10-08 13:06:1214.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20431302025-10-08 06:54:5314.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20428822025-10-07 18:11:1614.12.144.x/242516 (KDDI)jpn (Japan)yesunknownblockednoneReport
20428742025-10-07 17:59:2614.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20428722025-10-07 17:55:0014.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20428582025-10-07 17:16:1514.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20428402025-10-07 16:54:2314.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
20428272025-10-07 16:42:2914.12.144.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport

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