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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
10571062021-01-05 01:20:51221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
10525032020-12-24 07:38:47221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
10175982020-10-30 11:32:48221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
10085102020-10-17 11:11:55221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
10083452020-10-17 02:17:58221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
10083412020-10-17 02:13:59221.138.133.x/249318 (SKB-AS)kor (South Korea)yesblockedblocked/25Report
9888962020-09-25 11:59:05221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9888682020-09-25 10:30:41221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9888232020-09-25 08:28:49221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9810202020-09-13 04:26:36221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9726392020-09-06 12:00:32221.138.133.x/249318 (SKB-AS)kor (South Korea)yesblockedblockednoneReport
9721212020-09-06 06:30:43221.138.133.x/249318 (SKB-AS)kor (South Korea)yesblockedblockednoneReport
9711012020-09-05 13:23:21221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9709662020-09-05 07:15:19221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9708892020-09-05 02:27:09221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report
9554902020-08-21 00:02:22221.138.133.x/249318 (SKB-AS)kor (South Korea)noblockedblocked/25Report

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