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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
8202512020-01-08 08:59:04192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
7953212019-11-25 08:37:27192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
7778392019-10-28 08:29:54192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
7113742019-07-08 07:41:53192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
6959792019-06-11 09:15:55192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
6793102019-05-14 08:04:54192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
6730462019-05-03 09:50:48192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
5563632018-10-19 09:10:26192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
5042642018-07-19 07:07:41192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
5042622018-07-19 07:02:51192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
4716682018-05-24 07:15:48192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
4030762018-02-02 08:23:24192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
3919282018-01-16 09:04:23192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
3734692017-12-15 13:11:41192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
3287342017-10-05 13:17:11192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
3191402017-09-19 07:19:39192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report

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