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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
7843162019-11-07 17:44:3612.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
7277062019-08-04 22:59:5012.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
6531242019-03-31 23:03:0712.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5594912018-10-24 21:12:1612.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5051052018-07-20 17:31:2212.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
4635412018-05-11 15:49:3812.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblocked/30Report
4374282018-03-31 21:49:5112.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblocked/30Report
4334002018-03-24 21:02:4512.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblocked/30Report
4272902018-03-14 22:58:4512.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesunknownunknown/30Report
3987912018-01-26 15:39:5812.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesunknownunknown/30Report
3468292017-11-03 12:38:0712.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesunknownunknown/30Report
3314122017-10-10 01:26:0012.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblocked/30Report
807952016-10-21 23:46:1212.31.71.x/247018 (ATT-INTERNET4)usa (United States)yesunknownunknown/30Report

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