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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
16993572024-01-08 11:17:182a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16860722023-12-12 10:35:222a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16830142023-12-06 12:11:532a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16669142023-11-06 09:05:512a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16646102023-11-01 17:42:232a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16646012023-11-01 17:31:332a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16645932023-11-01 17:13:592a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16605462023-10-25 10:54:032a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report
16452082023-09-26 07:39:462a04:8400:c5xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/48Report

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