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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
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 04/04/2025 18:46:25