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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
20708602025-11-30 09:35:512001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
20708302025-11-30 08:52:412001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20708182025-11-30 08:29:362001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20708092025-11-30 08:16:322001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20640302025-11-18 10:23:002001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20640252025-11-18 10:09:532001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/112Report
20494872025-10-19 10:24:192001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
20494842025-10-19 10:11:142001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20453632025-10-12 09:03:052001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
20453582025-10-12 08:40:002001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
20453532025-10-12 08:26:442001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
20377792025-09-28 09:40:142001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
20377652025-09-28 08:57:062001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20377582025-09-28 08:33:432001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/112Report
20377532025-09-28 08:20:302001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/112Report
20336232025-09-21 06:11:572001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
20175372025-08-23 13:21:002001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20102592025-08-10 07:00:082001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
20059032025-08-02 08:34:502001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
19979622025-07-19 11:32:392001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19944432025-07-13 07:08:062001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19883332025-07-02 07:16:232001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
19825932025-06-22 06:59:062001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19668002025-05-24 07:36:462001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
19632432025-05-18 15:19:542001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
19632202025-05-18 14:05:152001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
19632142025-05-18 13:42:032001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19631572025-05-18 10:08:452001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/112Report
19584912025-05-11 06:19:192001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
19509292025-04-27 09:12:512001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
19471932025-04-20 07:17:452001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/112Report

All results shown
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