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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
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
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
16154222023-08-01 13:52:382a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noreceivedreceived/16Report

All results shown
Last Modified 04/17/2025 10:54:06