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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
20710392025-11-30 21:22:202804:3218:ffxx::/40265055bra (Brazil)noblockedreceived/24Report
20620742025-11-14 13:11:172804:3218:ffxx::/40265055bra (Brazil)noreceivedreceived/24Report
20528912025-10-24 20:24:482804:3218:ffxx::/40265055bra (Brazil)noreceivedreceived/24Report
16862902023-12-12 19:14:24170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16862842023-12-12 19:07:52170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16838172023-12-07 18:35:00170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16800122023-11-30 17:28:05170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16800122023-11-30 17:28:052804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/24Report
16762722023-11-23 14:42:53170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16762722023-11-23 14:42:532804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/24Report
16724042023-11-16 12:58:02170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16724042023-11-16 12:58:022804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/24Report
16683022023-11-08 17:14:48170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16677372023-11-07 18:25:46170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16639352023-10-31 17:19:13170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16600162023-10-24 13:19:21170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16558442023-10-16 17:31:33170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16526412023-10-10 18:50:332804:3218:ffxx::/40265055bra (Brazil)noreceivedreceived/24Report
16526282023-10-10 18:23:182804:3218:ffxx::/40265055bra (Brazil)noreceivedreceived/24Report
16518982023-10-09 14:36:31170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16482822023-10-02 13:29:37170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16230102023-08-15 19:04:032804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/24Report
16228652023-08-15 15:03:142804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/24Report
16209522023-08-11 19:21:442804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/24Report
16196032023-08-09 13:46:232804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/32Report
16195942023-08-09 13:36:41170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16195942023-08-09 13:36:412804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/32Report
16195902023-08-09 13:31:20170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16195902023-08-09 13:31:202804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/32Report
16189562023-08-08 13:18:23170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
16189562023-08-08 13:18:232804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/32Report
16189532023-08-08 13:15:452804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/32Report
14690682022-11-01 13:38:41170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14690682022-11-01 13:38:412804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/16Report
14663542022-10-27 13:20:45170.231.122.x/24265055bra (Brazil)yesblockedreceived/8Report
14663542022-10-27 13:20:452804:3218:ffxx::/40265055bra (Brazil)noreceivedreceived/16Report
14647302022-10-24 19:14:26170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14647302022-10-24 19:14:262804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/16Report
14647272022-10-24 19:10:05170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14631172022-10-21 14:46:44170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14631172022-10-21 14:46:442804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/16Report
14570572022-10-14 13:39:21170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14570572022-10-14 13:39:212804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/16Report
14530342022-10-07 15:43:44170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14505842022-10-03 14:36:56170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report
14505842022-10-03 14:36:562804:3218:84xx::/40265055bra (Brazil)noreceivedreceived/16Report
14478342022-09-28 14:59:06170.231.120.x/24265055bra (Brazil)yesblockedreceived/8Report

All results shown
Last Modified