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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
13257732022-03-16 07:07:06219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
13206222022-03-07 02:03:48219.87.142.x/249924 (TFN-TW)***yesunknownunknownnoneReport
11238812021-04-15 03:01:53219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
11044932021-03-14 14:59:15124.12.176.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
11009032021-03-09 02:14:34219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10929952021-02-25 08:06:12219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10866422021-02-17 09:22:31219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10866022021-02-17 08:37:29219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10865792021-02-17 08:12:28219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10865692021-02-17 07:57:26219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10828712021-02-13 09:39:59123.195.86.x/249924 (TFN-TW)twn (Taiwan)yesblockedreceived/8Report
10754702021-02-03 08:06:14219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10753562021-02-03 03:06:13219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10630132021-01-14 09:57:10219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10477222020-12-16 06:07:55219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10425612020-12-08 09:52:42219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10360602020-11-27 06:08:13219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10357152020-11-26 15:17:49123.194.246.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
10309472020-11-19 09:59:32219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10234602020-11-09 09:38:21219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10197252020-11-03 05:59:08219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10145112020-10-26 03:59:05219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
10094132020-10-19 08:00:21219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9970712020-10-08 03:05:10219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9909552020-09-29 07:36:27219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9815372020-09-14 07:26:39219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9654062020-08-31 06:04:00219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9556702020-08-21 07:05:44219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9489252020-08-14 05:43:43219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9438912020-08-07 02:57:46219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9405292020-08-03 03:39:49219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9328212020-07-24 09:35:55219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9308072020-07-20 12:00:02124.12.51.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
9302822020-07-19 04:25:56124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
9293902020-07-17 02:15:38219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9254162020-07-09 09:19:41219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9236692020-07-06 12:01:12124.12.55.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
9217282020-07-02 08:09:45219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9196352020-06-28 11:48:08124.12.49.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
9182992020-06-25 14:21:47124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
9175072020-06-24 05:57:53219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9150262020-06-19 14:20:21124.12.52.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
9127362020-06-16 06:12:15219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9127232020-06-16 05:39:01219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9090122020-06-09 12:54:22124.12.54.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
9066622020-06-05 03:19:23219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9039932020-05-31 06:51:39124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
9025862020-05-29 02:12:38219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
9016222020-05-27 14:31:39124.12.56.x/249924 (TFN-TW)twn (Taiwan)yesunknownrewrittennoneReport
8971792020-05-19 06:03:40219.87.142.x/249924 (TFN-TW)twn (Taiwan)yesunknownunknownnoneReport
8966732020-05-18 13:49:04124.12.55.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8936242020-05-12 15:03:14124.12.56.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8873622020-04-30 23:44:21124.12.55.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8817432020-04-21 12:16:08124.12.50.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8813392020-04-20 17:59:12175.98.195.x/249924 (TFN-TW)twn (Taiwan)noblockedreceived/8Report
8800352020-04-18 04:20:42124.12.51.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8772172020-04-13 13:16:40124.12.49.x/249924 (TFN-TW)twn (Taiwan)yesunknownrewrittennoneReport
8752892020-04-09 12:34:39124.12.55.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8747092020-04-08 15:58:24124.12.55.x/249924 (TFN-TW)twn (Taiwan)yesunknownrewrittennoneReport
8726872020-04-05 10:29:39124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
8706132020-04-01 13:45:26124.12.53.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8666322020-03-25 03:59:00124.12.52.x/249924 (TFN-TW)twn (Taiwan)yesunknownrewrittennoneReport
8641302020-03-20 13:13:24124.12.52.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8629602020-03-18 13:17:38124.12.49.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8607252020-03-14 10:05:15124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
8582142020-03-10 14:04:50124.12.56.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8474872020-02-24 14:37:09124.12.50.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8415962020-02-14 12:21:38124.12.56.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8367642020-02-06 13:53:43124.12.48.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8325942020-01-29 16:10:05124.12.52.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8306272020-01-26 16:09:48124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
8305132020-01-26 10:31:37124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
8266642020-01-19 22:10:50124.12.53.x/249924 (TFN-TW)twn (Taiwan)yesunknownrewrittennoneReport
8223412020-01-12 12:37:14124.12.55.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8175182020-01-02 22:47:31124.12.54.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8165592019-12-31 23:04:43124.12.56.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8129732019-12-24 12:14:51124.12.54.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
8120412019-12-22 15:15:01124.12.54.x/249924 (TFN-TW)twn (Taiwan)yesunknownrewrittennoneReport
8118052019-12-22 03:40:01124.11.164.x/249924 (TFN-TW)twn (Taiwan)yesblockedblockednoneReport
8078992019-12-15 12:00:11124.12.48.x/249924 (TFN-TW)twn (Taiwan)yesrewrittenrewrittennoneReport

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