Logo

Recent tests

| Spoofer Project Page   Download Client Software   FAQ   API   Notifications   |
| Data:    Stats Summary   Recent Tests   Remediation   Results by AS   Results by Country  Results by Provider  |
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
20921082026-01-08 19:39:442a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20882892026-01-01 18:31:462a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20849952025-12-25 17:23:492a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20814672025-12-18 16:15:502a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20814402025-12-18 15:32:522a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20814172025-12-18 15:09:552a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20814022025-12-18 14:56:582a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20771832025-12-11 13:49:042a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20693382025-11-27 15:00:262a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20653982025-11-20 14:53:192a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20653662025-11-20 13:52:322a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20381072025-09-29 03:28:172a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20339922025-09-22 02:20:142a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
20299482025-09-15 01:12:182a05:4140:xx::/400cze (Czech Republic)noreceivedreceived/16Report
20283912025-09-11 15:14:412a05:4140:xx::/40212271 (C1V)cze (Czech Republic)noreceivedreceived/16Report
19321332025-03-22 23:53:482a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report
16274402023-08-23 19:13:052a05:4140:xx::/40212271 (C1V)ita (Italy)noblockedreceived/16Report
16235452023-08-16 18:06:122a05:4140:xx::/40212271 (C1V)ita (Italy)noblockedreceived/16Report
16197192023-08-09 16:59:182a05:4140:xx::/40212271 (C1V)ita (Italy)noblockedreceived/16Report
16160432023-08-02 15:52:242a05:4140:xx::/40212271 (C1V)ita (Italy)noblockedreceived/16Report
16156302023-08-01 20:21:212a05:4140:xx::/40212271 (C1V)ita (Italy)noblockedreceived/16Report
16120042023-07-25 19:14:232a05:4140:xx::/40212271 (C1V)ita (Italy)noblockedreceived/16Report
15039692023-01-02 18:26:382a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report
13768012022-06-07 00:01:392a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report
13730702022-05-30 22:54:432a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report
13694062022-05-23 21:47:462a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report
13656132022-05-16 20:40:512a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report
13608692022-05-09 19:33:542a05:4140:xx::/40212271 (C1V)ita (Italy)noreceivedreceived/16Report

All results shown
Last Modified