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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
20708582025-11-30 09:34:092a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20669072025-11-23 08:26:212a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20629312025-11-16 07:18:312a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20593822025-11-09 06:10:302a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20535612025-10-26 03:57:282a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20493292025-10-19 02:49:362a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20452112025-10-12 01:41:472a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20413992025-10-05 00:33:572a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20375702025-09-27 23:26:092a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20375542025-09-27 22:43:202a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20375462025-09-27 22:20:292a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20375422025-09-27 22:07:392a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20334842025-09-20 21:00:012a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20296162025-09-13 19:52:402a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20253762025-09-06 18:45:102a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20213942025-08-30 17:37:482a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20176212025-08-23 16:30:212a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20139362025-08-16 15:22:552a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
20099562025-08-09 14:15:132a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/32Report
20060212025-08-02 13:07:382a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/32Report
20033502025-07-29 06:04:232a01:e140:xx::/40214145nld (Netherlands)noblockedblockednoneReport
19760192025-06-10 16:38:382a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19741602025-06-07 03:31:292a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/48Report
19719972025-06-03 15:31:412a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19686582025-05-27 14:24:402a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19643502025-05-20 13:17:402a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19643242025-05-20 12:35:422a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19643132025-05-20 12:13:452a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19643052025-05-20 12:01:462a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19642982025-05-20 11:56:442a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
19630512025-05-18 06:15:412a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
18962612025-01-19 14:10:152a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18962592025-01-19 14:08:212a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18962572025-01-19 14:06:232a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18962432025-01-19 13:46:102a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18962372025-01-19 13:33:002a01:e140:xx::/40214145nld (Netherlands)noblockedreceived/16Report
18962142025-01-19 12:16:052a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18962042025-01-19 11:51:582a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18962032025-01-19 11:41:502a01:e140:xx::/40214145nld (Netherlands)noblockedblocked/64Report
18949372025-01-17 03:20:402a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
18949362025-01-17 03:12:272a01:e140:xx::/40214145nld (Netherlands)nounknownunknownnoneReport
18949262025-01-17 02:35:582a01:e140:xx::/40214145irn (Iran)nounknownunknownnoneReport

All results shown
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