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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
6353172019-03-05 06:14:522001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6350722019-03-04 20:05:302001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6340742019-03-03 00:09:072001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
6307272019-02-25 18:58:282001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6269682019-02-19 17:13:172001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6245132019-02-14 23:40:182001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6229362019-02-12 16:06:252001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6208552019-02-08 18:16:302001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
6203632019-02-07 22:33:062001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6189172019-02-05 14:59:362001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6164482019-01-31 21:25:582001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6160132019-01-31 04:09:562001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
6144772019-01-28 23:26:542001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6123502019-01-24 20:18:462001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6113642019-01-23 06:29:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
6083642019-01-17 19:11:482001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6077802019-01-16 23:06:462001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6076312019-01-16 18:31:472001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6035822019-01-09 20:00:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
6022572019-01-07 20:00:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
6016372019-01-06 20:56:012001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblockednoneReport
5985652018-12-31 18:53:502001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5949132018-12-24 17:46:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5936782018-12-21 22:31:022001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5936002018-12-21 18:50:372001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5893792018-12-14 21:53:212001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5891752018-12-14 14:53:532001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5850692018-12-08 15:59:382001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblockednoneReport
5846742018-12-07 18:57:282001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5841052018-12-06 20:55:182001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5829492018-12-04 19:39:142001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5822432018-12-03 19:24:392001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5788182018-11-27 18:32:242001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5782502018-11-26 21:41:192001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5747192018-11-19 19:26:442001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5724532018-11-15 18:35:252001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5685302018-11-09 18:56:412001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5680582018-11-08 22:24:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5666322018-11-06 18:48:592001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5636722018-11-01 05:53:352001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblockednoneReport
5630162018-10-31 04:10:502001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5627322018-10-30 17:41:002001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5601572018-10-26 00:29:542001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5584232018-10-23 05:40:162001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5561082018-10-18 23:22:542001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5530232018-10-14 03:49:122001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5518822018-10-11 22:15:542001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5513162018-10-11 06:04:292001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblockednoneReport
5483302018-10-06 23:57:572001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5473542018-10-04 21:08:572001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5346402018-09-12 21:18:192001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5327992018-09-09 21:25:432001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5318612018-09-07 17:21:402001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5299902018-09-04 17:13:172001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5275382018-08-30 21:52:342001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5256572018-08-27 18:47:552001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5228662018-08-22 16:59:372001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5217762018-08-20 17:40:552001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/64Report
5159042018-08-09 17:16:202001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5147332018-08-07 19:57:422001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5139882018-08-06 17:53:292001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5111102018-07-31 22:09:152001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5109672018-07-31 18:30:502001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5072852018-07-24 21:53:482001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5071742018-07-24 17:07:372001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5050792018-07-20 16:31:022001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
5027702018-07-16 18:13:462001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
5014692018-07-14 05:16:542001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4995032018-07-10 21:31:122001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4986152018-07-09 17:07:142001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4970692018-07-06 18:45:482001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4955072018-07-04 02:08:232001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4931182018-06-29 17:39:042001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4926862018-06-28 22:34:422001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4914282018-06-27 01:01:422001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4892822018-06-23 05:26:122001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4885642018-06-21 21:27:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4874592018-06-20 05:02:142001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4846272018-06-14 20:20:442001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4833422018-06-12 22:53:152001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4831092018-06-12 15:33:092001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4804562018-06-07 19:13:392001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4792552018-06-05 21:46:292001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4762752018-05-31 18:06:442001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4745082018-05-29 05:59:542001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4719542018-05-24 16:49:342001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4700962018-05-22 04:53:092001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4669412018-05-17 04:44:162001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4665672018-05-16 17:02:492001:4998:efxx::/406939 (HURRICANE)usa (United States)noreceivedreceived/16Report
4658762018-05-15 16:17:572001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4612642018-05-08 16:31:352001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4604782018-05-07 14:26:232001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4589262018-05-04 23:14:022001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4583182018-05-04 03:23:372001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4565902018-05-01 19:03:032001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4538652018-04-27 00:49:462001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4531802018-04-26 02:48:202001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4521972018-04-24 17:56:052001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4493512018-04-19 23:43:022001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4487012018-04-19 00:18:242001:4998:efxx::/406939 (HURRICANE)usa (United States)noreceivedreceived/16Report

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