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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
7733102019-10-21 02:38:1699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7556452019-09-23 03:32:3399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesunknownrewrittennoneReport
7477652019-09-10 05:29:2999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7427112019-08-31 13:19:3299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7352922019-08-18 15:40:1099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7313472019-08-11 16:02:2699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7263932019-08-02 05:30:5399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7199042019-07-22 03:48:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7110992019-07-07 15:11:3099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7101122019-07-05 14:05:0499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7066052019-06-29 16:10:2699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7023752019-06-22 03:07:3199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
7012782019-06-20 03:12:0499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6950702019-06-09 21:53:4899.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6906872019-06-02 01:07:0399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6869952019-05-26 23:02:5899.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6869072019-05-26 16:37:5299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6827352019-05-19 16:14:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6780392019-05-12 03:32:3599.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6739002019-05-05 00:04:3799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6697522019-04-27 22:59:0299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6655382019-04-20 20:42:4499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6612662019-04-13 19:37:0899.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6568692019-04-06 18:31:4399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6525462019-03-30 16:14:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6471552019-03-21 14:08:1399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6393172019-03-11 00:39:0699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6344132019-03-03 18:31:0099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6299382019-02-24 17:24:3999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6258282019-02-17 16:19:1299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6213692019-02-09 18:55:1999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6136862019-01-27 16:20:4699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6095752019-01-19 22:20:5599.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6055012019-01-13 02:42:5699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6054702019-01-13 00:43:1199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6054662019-01-13 00:35:1799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6054462019-01-12 23:46:2299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6054162019-01-12 20:53:5099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6054032019-01-12 20:15:0399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6053382019-01-12 17:06:1599.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6053222019-01-12 16:22:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6053182019-01-12 16:14:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6053112019-01-12 15:55:5499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6040692019-01-10 14:36:0299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6038082019-01-10 04:02:1099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6013212019-01-06 04:04:5199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6012492019-01-05 23:52:5299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6012422019-01-05 23:33:4099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6010692019-01-05 15:04:2699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
6008932019-01-05 03:30:1699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5990612019-01-02 03:51:2699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5989712019-01-01 22:55:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5988872019-01-01 17:53:1399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5981782018-12-30 20:36:5299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5977282018-12-29 18:05:3399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5972182018-12-28 17:26:2199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5959632018-12-26 15:54:0299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5955502018-12-26 00:16:5799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5955402018-12-25 23:49:5199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5954462018-12-25 19:52:4899.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5949992018-12-24 23:15:1799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5948652018-12-24 15:51:4299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5945982018-12-24 02:17:4399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5945842018-12-24 01:14:0299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5945252018-12-23 22:08:3099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5941252018-12-22 22:43:1399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5940652018-12-22 19:14:1099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5940382018-12-22 18:03:0699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5902932018-12-16 23:57:5699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5894732018-12-15 04:25:3499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5851432018-12-08 20:28:0199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5812282018-12-01 19:22:1999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5774622018-11-25 18:22:0999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5740882018-11-18 17:16:2799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5694132018-11-11 16:10:4499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5654462018-11-04 15:04:5999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5611322018-10-28 00:04:4199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5572712018-10-20 23:49:0199.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5529402018-10-13 22:43:1799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5482952018-10-06 21:03:3899.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesunknownunknownnoneReport
5443372018-09-29 19:57:5699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5402572018-09-22 18:41:2999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5362252018-09-15 17:35:4799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5328632018-09-10 01:07:5499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5324322018-09-09 01:05:4399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5285912018-09-02 00:00:0099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesunknownunknownnoneReport
5246682018-08-25 22:54:1599.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5245852018-08-25 18:35:3599.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5211992018-08-19 17:18:3099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5209272018-08-19 02:04:0799.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5171012018-08-12 00:58:2699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5131922018-08-04 23:52:4699.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5093672018-07-28 22:47:0499.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5056512018-07-21 21:41:2599.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
5021432018-07-15 16:08:3299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
5017452018-07-14 20:35:4399.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
4975712018-07-07 19:30:0299.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
4960902018-07-05 02:02:3999.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesrewrittenrewrittennoneReport
4936202018-06-30 18:23:4099.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
4895272018-06-23 17:17:5899.21.66.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport

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