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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
14284692022-08-27 09:13:1377.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
14170522022-08-13 09:47:5677.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
14164112022-08-12 15:13:0977.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
14127702022-08-05 13:10:2377.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
14018502022-07-17 08:16:5077.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
14015622022-07-16 15:15:4477.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
13002092022-02-02 09:49:4877.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
13001672022-02-02 08:11:4477.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
12993222022-01-31 18:24:4077.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
12805522021-12-28 15:51:0777.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
12804832021-12-28 13:53:5377.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
12790192021-12-25 10:58:5077.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
12786502021-12-24 13:40:3177.87.4.x/2442763 (CZAJEN)pol (Poland)yesblockedblockednoneReport
12283982021-10-08 20:19:1777.87.4.x/2442763 (CZAJEN)pol (Poland)yesunknownblockednoneReport
12048352021-08-28 13:44:0477.87.4.x/2442763 (CZAJEN)pol (Poland)yesunknownblockednoneReport

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