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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
19643412025-05-20 12:57:522001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19598892025-05-13 11:31:032001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19598872025-05-13 11:24:452001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19553652025-05-05 22:36:142001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19544762025-05-04 03:34:522001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19539882025-05-02 21:56:322001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19527282025-04-30 15:32:162001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19488332025-04-23 15:15:282001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19462912025-04-18 09:57:112001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19458162025-04-17 12:27:362001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19423132025-04-10 11:20:122001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19415912025-04-09 04:11:182001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19374762025-04-01 17:29:042001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19335522025-03-25 15:15:232001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19308892025-03-20 11:01:572001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19279512025-03-15 08:03:102001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19276132025-03-14 15:01:062001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19229872025-03-07 06:24:392001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19225402025-03-06 14:15:242001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19184442025-02-27 13:08:252001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19177112025-02-26 13:02:382001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19132492025-02-18 22:48:442001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19112762025-02-15 09:34:452001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19100122025-02-12 22:50:012001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19083822025-02-10 11:03:232001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19049502025-02-04 09:13:252001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19010762025-01-28 07:27:572001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18967982025-01-20 16:44:452001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18950402025-01-17 08:55:122001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18910532025-01-09 18:20:242001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18897442025-01-07 06:03:222001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18885992025-01-04 23:09:012001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18872602025-01-02 08:14:502001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18821452024-12-22 05:43:082001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18780982024-12-14 20:17:132001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18770482024-12-12 17:26:192001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18763942024-12-11 16:56:102001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18763192024-12-11 14:23:422001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18761492024-12-11 07:54:382001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18718722024-12-03 18:28:032001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18671692024-11-25 19:03:362001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18631082024-11-18 12:20:282001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18590102024-11-11 10:57:502001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18552142024-11-04 09:03:102001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18540522024-11-01 19:37:442001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18495792024-10-24 08:14:232001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18453472024-10-16 17:24:162001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18378712024-10-02 11:55:482001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18341292024-09-25 10:49:152001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18304852024-09-18 08:34:282001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18262452024-09-10 07:34:082001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18219232024-09-02 06:54:022001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18177412024-08-24 11:13:162001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18125632024-08-14 07:51:142001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18072542024-08-03 18:04:032001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
18034792024-07-27 07:44:492001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
17995712024-07-19 09:40:092001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
17986542024-07-17 18:43:122001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
17945852024-07-10 17:33:202001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
17907292024-07-03 14:21:562001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report

All results shown
Last Modified