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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
5119152018-08-02 08:40:10194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5118992018-08-02 07:51:22194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5113662018-08-01 08:50:36194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5106122018-07-31 06:54:05194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5099672018-07-30 06:51:03194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5099642018-07-30 06:42:19194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5085932018-07-27 07:44:06194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5085902018-07-27 07:39:17194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5081882018-07-26 14:18:21194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5080862018-07-26 09:55:33194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5080492018-07-26 07:26:42194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5080342018-07-26 06:43:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5080282018-07-26 06:36:59194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5080262018-07-26 06:32:07194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5075142018-07-25 09:19:12194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5074922018-07-25 08:14:23194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5074762018-07-25 07:41:31194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5070502018-07-24 12:40:49194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5069132018-07-24 06:55:25194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5069022018-07-24 06:24:40194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5063022018-07-23 07:17:13194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5048612018-07-20 07:51:33194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5048592018-07-20 07:46:45194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5042802018-07-19 07:56:29194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5036662018-07-18 07:31:52194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5036642018-07-18 07:21:04194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5030842018-07-17 07:20:15194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5024172018-07-16 07:12:21194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5024142018-07-16 07:07:32194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5012042018-07-13 15:55:54194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5010012018-07-13 08:55:36194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5009662018-07-13 07:16:42194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5009622018-07-13 06:55:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5006192018-07-12 15:51:36194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5004272018-07-12 08:40:36194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
5003752018-07-12 07:11:51194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4997582018-07-11 08:17:11194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4997182018-07-11 06:34:21194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4990512018-07-10 06:43:58194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4969122018-07-06 12:48:04194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4968112018-07-06 08:25:11194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4967862018-07-06 07:20:59194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4961732018-07-05 07:16:21194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4949582018-07-03 07:23:56194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4928282018-06-29 06:43:39194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4924182018-06-28 13:03:06194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4922602018-06-28 07:44:17194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4909292018-06-26 07:29:08194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4903792018-06-25 11:20:03194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4887502018-06-22 06:54:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4874922018-06-20 06:29:58194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4863472018-06-18 14:30:59194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4860852018-06-18 06:18:18194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4848482018-06-15 07:29:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4848292018-06-15 06:52:51194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4844752018-06-14 15:14:29194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4844612018-06-14 14:37:59194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4843632018-06-14 11:19:45194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4843582018-06-14 11:10:51194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4843042018-06-14 08:56:00194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4842492018-06-14 07:19:10194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4835942018-06-13 09:11:12194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4835412018-06-13 07:06:23194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4828492018-06-12 07:18:52194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4822712018-06-11 11:13:52194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4821972018-06-11 08:39:01194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4821752018-06-11 07:38:12194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4807322018-06-08 08:36:41194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4807182018-06-08 07:45:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4803352018-06-07 14:57:45194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4802242018-06-07 11:32:55194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4801142018-06-07 07:02:04194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4801112018-06-07 06:57:13194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4788182018-06-05 07:36:48194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4783422018-06-04 14:39:31194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4781082018-06-04 07:36:42194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4766212018-06-01 07:49:22194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4759542018-05-31 06:59:37194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4759522018-05-31 06:54:55194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4746612018-05-29 11:24:57194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4745402018-05-29 07:03:40194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4739282018-05-28 07:07:15194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4739242018-05-28 07:00:26194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4723232018-05-25 07:36:09194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4717412018-05-24 09:24:41194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4701862018-05-22 07:41:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4701782018-05-22 07:28:58194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4655892018-05-15 07:36:39194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4655842018-05-15 07:29:50194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4650772018-05-14 13:44:11194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4648662018-05-14 07:35:24194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4648612018-05-14 07:18:26194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4632302018-05-11 06:57:13194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4617522018-05-09 06:10:19194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4609372018-05-08 06:48:15194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4603882018-05-07 12:07:20194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4603842018-05-07 12:02:33194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4602382018-05-07 07:33:01194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4602112018-05-07 06:53:33194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report
4532962018-04-26 07:12:08194.171.173.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/22Report

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