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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
20721542025-12-02 17:20:39177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20660862025-11-21 16:06:53177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20611662025-11-13 01:31:50177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20551862025-10-29 01:05:20177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20498282025-10-20 04:26:02177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20455392025-10-12 20:38:38177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20381192025-09-29 04:05:00177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20339542025-09-21 23:26:58177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20259792025-09-08 01:46:26177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20181662025-08-25 01:29:49177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20144072025-08-17 23:22:33177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20070002025-08-04 14:51:12177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
20026402025-07-28 01:46:48177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19985222025-07-20 18:25:34177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19920052025-07-08 22:53:37177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19868752025-06-30 01:48:35177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19828372025-06-23 00:16:28177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19788272025-06-15 13:05:40177.101.41.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19762822025-06-10 23:57:32177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19722372025-06-03 22:49:39177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19675982025-05-25 21:02:33177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19633462025-05-18 19:54:39177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19577522025-05-09 22:47:32177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19523452025-04-29 23:11:07177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19484362025-04-22 22:03:06177.101.40.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19445142025-04-15 00:11:51177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19376772025-04-02 02:25:29177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19337912025-03-25 23:26:27177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19300322025-03-18 22:18:29177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19256842025-03-11 17:30:22177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19212512025-03-04 14:46:26177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19186952025-02-27 20:28:35177.101.38.x/24262606bra (Brazil)yesblockedreceived/8Report
19186882025-02-27 20:09:19177.101.38.x/24262606bra (Brazil)yesblockedreceived/8Report
19185932025-02-27 17:59:46177.101.37.x/24262606bra (Brazil)yesblockedblockednoneReport
19185802025-02-27 17:42:21177.101.37.x/24262606bra (Brazil)yesblockedblockednoneReport
19159342025-02-23 20:28:25177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19080082025-02-09 14:37:19177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
19036802025-02-01 21:14:33177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18963402025-01-19 18:31:03177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18923922025-01-12 14:27:52177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18884222025-01-04 13:35:19177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18831342024-12-24 03:01:02177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18792942024-12-17 01:23:33177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18734282024-12-06 12:26:05177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18686782024-11-28 03:01:20177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18646392024-11-20 22:58:13177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18595602024-11-12 09:15:23177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18549242024-11-03 15:40:23177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18507792024-10-26 13:50:47177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18466492024-10-19 03:01:58177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18466492024-10-19 03:01:582804:6c8:8bxx::/40262606bra (Brazil)noblockedblocked/64Report
18427512024-10-11 16:07:33177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18427512024-10-11 16:07:332804:6c8:8bxx::/40262606bra (Brazil)noblockedblocked/64Report
18382192024-10-03 00:59:40177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18382192024-10-03 00:59:402804:6c8:8bxx::/40262606bra (Brazil)noblockedblocked/64Report
18344482024-09-25 22:30:16177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18344482024-09-25 22:30:162804:6c8:8bxx::/40262606bra (Brazil)noblockedblocked/64Report
18304672024-09-18 07:01:48177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18304672024-09-18 07:01:482804:6c8:8bxx::/40262606bra (Brazil)noblockedblocked/64Report
18271652024-09-11 17:54:10177.101.37.x/24262606bra (Brazil)yesblockedblockednoneReport
18271652024-09-11 17:54:102804:6c8:xx::/40262606bra (Brazil)noblockedblocked/64Report
18271582024-09-11 17:42:57177.101.38.x/24262606bra (Brazil)noblockedblockednoneReport
18271582024-09-11 17:42:572804:6c8:xx::/40262606bra (Brazil)noblockedblocked/64Report
18271552024-09-11 17:40:26177.101.38.x/24262606bra (Brazil)noblockedblockednoneReport
18271552024-09-11 17:40:262804:6c8:xx::/40262606bra (Brazil)noblockedblocked/64Report
18268072024-09-11 04:24:15177.101.37.x/24262606bra (Brazil)yesrewrittenrewrittennoneReport
18268072024-09-11 04:24:152804:6c8:8bxx::/40262606bra (Brazil)noblockedblocked/64Report
18266212024-09-10 20:14:24177.101.37.x/24262606bra (Brazil)yesrewrittenreceived/20Report
18266212024-09-10 20:14:242804:6c8:xx::/40262606bra (Brazil)noblockedreceived/16Report

All results shown
Last Modified