Logo

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
4483972018-04-18 15:32:072001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4479982018-04-18 00:18:182001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4477182018-04-17 16:49:052001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4454212018-04-13 17:40:332001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4435122018-04-11 00:18:412001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4415582018-04-07 16:14:212001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4410092018-04-06 16:33:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4399492018-04-05 00:33:242001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4396502018-04-04 15:42:082001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4390462018-04-03 17:07:302001:4998:efxx::/406939 (HURRICANE)usa (United States)noreceivedreceived/16Report
4372672018-03-31 15:07:382001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4370022018-03-31 00:20:332001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4365422018-03-30 03:53:112001:4998:efxx::/407233 (YAHOO-US)usa (United States)noblockedblocked/120Report
4345652018-03-27 00:18:052001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4343632018-03-26 17:16:032001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4323382018-03-22 23:14:122001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4321662018-03-22 17:44:172001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4317852018-03-22 03:20:132001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4263372018-03-13 18:03:072001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
4236252018-03-09 01:58:502001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
4230762018-03-08 05:22:062001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4229832018-03-08 01:19:252001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4228022018-03-07 17:41:322001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4217222018-03-06 01:17:492001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4193802018-03-01 18:13:442001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4187292018-02-28 19:56:342001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
4175262018-02-27 01:19:532001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4145902018-02-21 18:49:432001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
4138472018-02-20 16:42:142001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
4135062018-02-20 02:49:372001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
4104782018-02-14 17:42:512001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
4003452018-01-29 09:43:532001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
3885512018-01-10 16:44:512001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3878312018-01-09 17:28:312001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3848332018-01-04 18:04:102001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3842072018-01-03 18:26:402001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3814662017-12-29 18:09:442001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3804022017-12-27 20:46:592001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceivednoneReport
3790792017-12-25 08:38:042001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
3773142017-12-21 16:32:092001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3755592017-12-18 21:37:322001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3708312017-12-11 20:30:432001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3685082017-12-08 02:43:532001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3664492017-12-05 05:07:222001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
3661802017-12-04 19:23:432001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3625352017-11-29 05:40:362001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceivednoneReport
3618162017-11-28 02:08:412001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3615602017-11-27 18:16:532001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3518992017-11-11 23:41:122001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3512812017-11-10 18:31:142001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3482562017-11-06 05:51:382001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3469852017-11-03 17:09:032001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3458962017-11-02 01:39:452001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3416332017-10-26 01:14:432001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3371562017-10-19 00:07:462001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3339542017-10-13 17:56:482001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3332502017-10-12 16:20:152001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3326182017-10-11 18:59:282001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceivednoneReport
3308182017-10-09 05:40:562001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3283802017-10-04 21:46:422001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3282382017-10-04 17:06:252001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/88Report
3265342017-10-02 04:33:552001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3235522017-09-26 05:18:582001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3232762017-09-25 18:55:192001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3220632017-09-23 21:30:092001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
3190672017-09-19 03:57:042001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3188342017-09-18 17:48:042001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3171862017-09-15 20:58:062001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3162342017-09-14 15:41:012001:4998:efxx::/4010310 (YAHOO-1)usa (United States)noreceivedreceived/16Report
3148122017-09-12 19:07:162001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3118012017-09-07 21:32:142001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknown/120Report
3116992017-09-07 17:55:162001:4998:efxx::/407233 (YAHOO-US)usa (United States)noreceivedreceived/16Report
3111462017-09-07 00:19:332001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport
3109552017-09-06 17:17:242001:4998:efxx::/407233 (YAHOO-US)usa (United States)nounknownunknownnoneReport

All results shown
Last Modified