Logo

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
22067702026-07-31 14:34:56109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22067672026-07-31 14:28:58109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22067642026-07-31 14:23:42109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22067572026-07-31 14:16:56109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22067422026-07-31 13:51:44109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22063602026-07-30 19:58:26109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22051122026-07-28 18:07:36109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20693852025-11-27 16:43:13109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport

All results shown
Last Modified