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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
22011352026-07-21 19:31:362a13:9500:xx::/40207847 (EFusoft)gbr (United Kingdom)noblockedblocked/48Report
21969322026-07-14 18:23:472a13:9500:xx::/40207847 (EFusoft)gbr (United Kingdom)noblockedblocked/48Report
21926712026-07-07 14:09:172a13:9500:xx::/40210476irn (Iran)noblockedblocked/56Report
21869092026-06-26 20:23:522a13:9500:xx::/40210476irn (Iran)noblockedblocked/56Report
21864612026-06-26 02:33:042a13:9500:xx::/40210476irn (Iran)noblockedblocked/56Report
21846632026-06-23 11:57:402a13:9500:xx::/40210476irn (Iran)noblockedblocked/56Report
21832332026-06-20 22:34:222a13:9500:xx::/40210476irn (Iran)noblockedblocked/56Report

All results shown
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