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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
17839022024-06-21 04:57:24150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
15339072023-02-26 01:28:55150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11966002021-08-14 03:17:11150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11933592021-08-08 21:02:22150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11560742021-06-06 00:19:04150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11529842021-05-31 23:11:26150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11521522021-05-30 13:13:44150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11516392021-05-29 06:34:17150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11509192021-05-27 22:41:35150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11509142021-05-27 22:31:39150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11490122021-05-25 06:07:34150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11478242021-05-22 21:16:57150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11475252021-05-22 06:08:34150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport
11448392021-05-17 23:51:13150.31.27.x/242497 (IIJ)jpn (Japan)yesblockedblockednoneReport

All results shown
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