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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
20710692025-12-01 00:42:162a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/56Report
20661482025-11-21 18:10:312a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20595442025-11-10 00:50:442a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20573922025-11-02 02:45:102a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20355592025-09-24 15:29:382a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20353242025-09-24 05:51:042a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20353082025-09-24 05:02:222a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20352962025-09-24 04:49:202a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20299542025-09-15 01:59:102a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20247522025-09-05 13:40:212a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20200732025-08-28 06:59:172a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/56Report
20200542025-08-28 05:11:252a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/56Report
20182652025-08-25 07:31:022a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20145102025-08-18 05:39:152a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20144652025-08-18 02:41:442a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20144312025-08-18 00:55:342a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20093642025-08-08 14:17:242a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20086472025-08-07 07:22:512a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20063632025-08-03 08:40:032a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
20046482025-07-31 06:14:542a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
20006312025-07-24 01:51:472a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19966882025-07-17 00:06:572a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19926882025-07-09 22:45:352a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19887692025-07-02 21:37:352a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19847052025-06-25 20:29:382a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19808852025-06-18 19:21:402a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19767562025-06-11 18:13:192a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19764602025-06-11 09:20:012a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19727222025-06-04 17:05:162a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19690882025-05-28 04:49:092a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19647642025-05-21 03:40:532a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19647482025-05-21 02:57:392a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19647372025-05-21 02:34:242a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19647352025-05-21 02:21:082a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19604172025-05-14 00:27:162a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19557892025-05-06 17:39:112a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19553312025-05-05 20:53:032a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19537342025-05-02 14:24:532a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19513002025-04-28 06:50:272a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19482692025-04-22 15:28:502a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19479302025-04-22 03:34:582a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)nounknownunknownnoneReport
19451972025-04-16 09:56:012a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19444772025-04-14 22:47:462a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19407462025-04-07 15:12:482a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/80Report
19365712025-03-31 05:58:472a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19350552025-03-28 00:37:142a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19329152025-03-24 14:31:292a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19326492025-03-24 04:50:572a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19325882025-03-24 00:04:372a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/40Report
19251632025-03-11 00:43:442a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19218742025-03-05 14:52:072a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19209122025-03-03 23:36:062a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19191472025-02-28 17:24:312a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19191322025-02-28 17:11:242a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
19166872025-02-24 22:28:252a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19133102025-02-19 01:26:502a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19115072025-02-15 20:06:282a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19076192025-02-08 18:58:462a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19036072025-02-01 17:51:052a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18997782025-01-25 16:41:302a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18957602025-01-18 14:38:452a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)nounknownunknownnoneReport
18905122025-01-08 15:12:172a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18894832025-01-06 17:35:452a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18879092025-01-03 12:59:552a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18869782025-01-01 14:03:172a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18809942024-12-19 21:14:162a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18769852024-12-12 15:41:572a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18766622024-12-12 03:53:252a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
18726932024-12-05 02:46:262a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18686502024-11-28 01:39:172a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18646672024-11-21 00:03:232a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18606912024-11-13 22:55:002a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18597592024-11-12 15:47:192a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18564672024-11-06 10:00:552a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18420982024-10-10 11:38:182a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18258592024-09-09 15:25:052a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18258382024-09-09 14:48:472a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
18219452024-09-02 07:48:592a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18202652024-08-29 13:45:482a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18042252024-07-29 09:11:022a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18017012024-07-23 17:31:392a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18016622024-07-23 16:10:542a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
18015822024-07-23 13:47:012a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
17787432024-06-12 09:39:462a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
17787372024-06-12 09:15:142a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/24Report
17781012024-06-11 09:04:582a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
17024592024-01-14 00:24:242a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16689712023-11-09 21:55:532a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16651652023-11-02 20:48:582a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16614142023-10-26 19:42:002a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16575972023-10-19 16:46:022a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16534412023-10-11 21:01:342a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedreceived/16Report
16495092023-10-04 16:29:242a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16480142023-10-02 01:37:092a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report
16445702023-09-25 00:30:002a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report

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