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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
11417782021-05-12 22:10:32171.66.31.x/2432 (STANFORD)usa (United States)nounknownblockednoneReport
11417782021-05-12 22:10:322607:f6d0:xx::/4032 (STANFORD)usa (United States)nounknownunknownnoneReport
11209452021-04-10 04:26:56171.66.17.x/2432 (STANFORD)usa (United States)nounknownunknownnoneReport
10685572021-01-22 21:11:07171.66.12.x/2432 (STANFORD)usa (United States)yesblockedblockednoneReport
10685082021-01-22 20:00:49171.66.76.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10685082021-01-22 20:00:492607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
10684982021-01-22 19:47:06171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
10671312021-01-20 19:51:30171.66.185.x/2432 (STANFORD)usa (United States)nounknownunknownnoneReport
10400052020-12-03 20:35:14171.66.31.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10400052020-12-03 20:35:142607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
10399892020-12-03 19:56:48171.66.76.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10399892020-12-03 19:56:482607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
10386812020-12-01 23:12:22171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
10386762020-12-01 22:59:03171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
10386762020-12-01 22:59:032607:f6d0:cxx::/4032 (STANFORD)usa (United States)noblockedblockednoneReport
10325892020-11-21 21:26:04171.66.31.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10325892020-11-21 21:26:042607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
10298712020-11-17 20:18:56171.66.31.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10298712020-11-17 20:18:562607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
10201512020-11-03 18:04:14171.66.31.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10201512020-11-03 18:04:142607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
10170832020-10-29 17:39:17171.66.31.x/2432 (STANFORD)usa (United States)noblockedblocked/24Report
10170832020-10-29 17:39:172607:f6d0:xx::/4032 (STANFORD)usa (United States)noblockedblocked/64Report
8938382020-05-12 22:09:06171.66.24.x/2432 (STANFORD)usa (United States)nounknownunknownnoneReport
8558032020-03-05 19:41:06171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8554772020-03-05 08:07:47171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8553162020-03-04 22:48:33171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8537952020-03-02 20:28:252607:f6d0:cxx::/4032 (STANFORD)usa (United States)noblockedblockednoneReport
8537792020-03-02 20:16:132607:f6d0:cxx::/4032 (STANFORD)usa (United States)noblockedblockednoneReport
8536562020-03-02 18:27:562607:f6d0:cxx::/4032 (STANFORD)usa (United States)noblockedblockednoneReport
8493882020-02-27 07:01:22171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8492472020-02-27 00:56:37171.66.12.x/2432 (STANFORD)usa (United States)yesunknownblockednoneReport
8490432020-02-26 19:11:27171.66.213.x/2432 (STANFORD)usa (United States)yesblockedblockednoneReport
8450132020-02-20 04:18:37171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8447262020-02-19 17:55:30171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8412572020-02-13 19:45:18171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8407962020-02-13 01:15:37171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8369352020-02-06 19:33:29171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8364462020-02-06 00:09:36171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8286892020-01-23 01:08:40171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8286892020-01-23 01:08:402607:f6d0:cxx::/4032 (STANFORD)usa (United States)noblockedblockednoneReport
8286832020-01-23 00:43:43171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8249592020-01-16 18:19:39171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8243392020-01-15 18:38:22171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8064912019-12-12 20:19:01171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8064592019-12-12 19:06:35171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8058792019-12-11 20:32:02171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
8058792019-12-11 20:32:022607:f6d0:cxx::/4032 (STANFORD)usa (United States)noblockedblockednoneReport
8058702019-12-11 20:05:36171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8013842019-12-04 20:23:28171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
8013652019-12-04 19:46:59171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
7928212019-11-20 22:50:47171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
7927222019-11-20 19:50:24171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
7881362019-11-13 18:44:02171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
7758792019-10-24 18:46:50171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
7753622019-10-23 23:45:28171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7752012019-10-23 19:17:24171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7709602019-10-16 23:07:33171.64.233.x/2432 (STANFORD)usa (United States)noblockedblocked/23Report
7709572019-10-16 22:59:07171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7709042019-10-16 20:52:40171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7672642019-10-10 23:26:05171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7662722019-10-09 19:46:06171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7618992019-10-02 18:39:45171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7611882019-10-01 17:30:05171.66.12.x/2432 (STANFORD)usa (United States)yesunknownunknownnoneReport
7568812019-09-24 21:46:012607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/16Report
7567452019-09-24 17:43:032607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/16Report
7526492019-09-17 21:49:032607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/16Report
7455182019-09-05 19:19:082607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/16Report
7417372019-08-29 18:12:31171.66.179.x/2432 (STANFORD)usa (United States)nounknownunknownnoneReport
7417372019-08-29 18:12:312607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/16Report
7412622019-08-28 23:47:032607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/24Report
7374842019-08-22 04:30:132607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/24Report
7373502019-08-21 22:40:212607:f6d0:cxx::/4032 (STANFORD)usa (United States)noreceivedreceived/24Report
5913932018-12-18 13:53:10171.66.31.x/2432 (STANFORD)usa (United States)noblockedblockednoneReport
5885862018-12-13 18:33:41171.66.31.x/2432 (STANFORD)usa (United States)noblockedblockednoneReport

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