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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
21866252026-06-26 10:24:3445.163.172.x/24268556bra (Brazil)yesblockedreceived/9Report
21852782026-06-24 10:06:2745.163.173.x/24268556bra (Brazil)yesrewrittenreceivednoneReport
21852782026-06-24 10:06:272804:5300:xx::/40268556bra (Brazil)noblockedreceived/24Report
21815962026-06-17 20:46:242804:5300:xx::/40268556bra (Brazil)noblockedreceived/24Report
21812742026-06-17 12:06:532804:5300:xx::/40268556bra (Brazil)noblockedreceived/24Report
21808902026-06-16 19:17:2145.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21772212026-06-10 10:58:292804:5300:xx::/40268556bra (Brazil)noblockedreceived/24Report
21740452026-06-04 10:08:5545.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21727342026-06-02 12:57:2445.163.172.x/24268556bra (Brazil)noblockedreceived/22Report
21727292026-06-02 12:50:4845.163.172.x/24268556bra (Brazil)noblockedreceived/22Report
21727212026-06-02 12:44:2945.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21726932026-06-02 12:16:202804:5300:xx::/40268556bra (Brazil)noblockedreceived/24Report
21719412026-06-01 10:16:3545.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21650242026-05-20 20:02:0845.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21566802026-05-06 14:38:2045.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21530612026-04-29 13:31:1545.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21494732026-04-22 12:24:0845.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21469972026-04-17 11:25:0445.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21433342026-04-10 10:16:0545.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21412052026-04-06 19:07:4645.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21319192026-03-20 10:01:2045.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21212452026-02-28 11:40:0445.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21141672026-02-16 13:08:4645.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21122412026-02-12 18:34:0645.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
21043532026-01-30 10:28:0145.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20956722026-01-15 10:29:0345.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20945112026-01-13 10:28:5645.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20794932025-12-15 19:05:3245.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20779902025-12-12 17:26:4945.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20779642025-12-12 16:44:0945.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20779482025-12-12 16:21:3045.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20779352025-12-12 16:08:5245.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20765262025-12-10 13:29:3145.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20765232025-12-10 13:22:3245.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20731092025-12-04 10:53:0045.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20688852025-11-26 20:13:1945.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
20633732025-11-17 10:29:3845.163.172.x/24268556bra (Brazil)yesblockedreceived/22Report
14141272022-08-08 16:28:4745.163.173.x/24268556bra (Brazil)yesblockedreceived/8Report
14127262022-08-05 11:03:5545.163.173.x/24268556bra (Brazil)yesblockedreceived/8Report
14090162022-07-28 19:40:4545.163.173.x/24268556bra (Brazil)yesblockedreceived/8Report
14053632022-07-21 18:34:2745.163.173.x/24268556bra (Brazil)yesblockedreceived/8Report
14005412022-07-14 17:27:4045.163.173.x/24268556bra (Brazil)yesblockedreceived/8Report
13968002022-07-07 16:21:1545.163.173.x/24268556bra (Brazil)yesblockedreceived/8Report

All results shown
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