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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
20651132025-11-20 00:36:532804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/80Report
20613712025-11-13 12:02:202804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report
20595282025-11-09 21:46:212804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/56Report
20557862025-10-30 01:52:542804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/96Report
20517112025-10-22 23:38:392804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/96Report
20410012025-10-04 01:32:282804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/72Report
20266292025-09-09 01:36:462804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report
20258422025-09-07 18:23:492804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report
20253332025-09-06 17:12:302804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report
20232882025-09-03 02:16:002804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report
20210912025-08-29 23:21:192804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report
20208162025-08-29 13:39:432804:20fc:13xx::/40264525bra (Brazil)noblockedblocked/64Report

All results shown
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