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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
11976552021-08-16 11:15:162001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11961532021-08-13 08:38:192001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11959152021-08-12 21:15:272001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11955942021-08-12 10:03:372001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
11950132021-08-11 10:47:512001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11942342021-08-10 08:53:182001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11940182021-08-09 21:30:002001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11911232021-08-04 11:50:462001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11910642021-08-04 09:37:532001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11900832021-08-02 16:48:522001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11889212021-07-31 12:05:432001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11872802021-07-28 14:07:012001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
11872212021-07-28 12:19:212001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11871562021-07-28 09:11:192001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11833722021-07-21 07:51:202001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
11830332021-07-20 16:24:112001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
11825502021-07-19 17:06:112001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11823792021-07-19 11:47:272001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
11820352021-07-18 19:10:332001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
11819352021-07-18 13:46:522001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11809662021-07-16 12:12:582001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11794222021-07-14 12:08:022001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
11793562021-07-14 09:20:222001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
11789232021-07-13 14:35:172001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11788552021-07-13 12:42:412001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11720002021-07-04 19:30:092001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
11696732021-06-30 16:55:582001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
11695462021-06-30 13:29:502001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11695422021-06-30 13:25:582001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11676102021-06-27 11:29:382001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11675872021-06-27 09:27:272001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11667392021-06-25 13:38:372001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11667212021-06-25 13:02:472001:1c03:4dxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report

All results shown
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