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
21692772026-05-27 19:58:48240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21641722026-05-19 14:50:57240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21567992026-05-06 18:14:03240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21556302026-05-04 19:05:16240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21520312026-04-27 17:57:42240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21479862026-04-19 16:46:19240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21479792026-04-19 16:33:41240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21451322026-04-14 07:56:52240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21451262026-04-14 07:34:11240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21447682026-04-13 14:34:50240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21417662026-04-07 16:43:30240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21365462026-03-28 19:34:14240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21365322026-03-28 19:11:38240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21285682026-03-13 20:28:20240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21247252026-03-06 19:20:45240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21209382026-02-27 17:42:57240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21163392026-02-19 18:12:40240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
21079532026-02-05 15:19:15240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20988342026-01-20 21:16:25240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20937122026-01-12 09:04:52240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20895832026-01-04 22:57:06240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20895712026-01-04 22:14:25240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20895602026-01-04 21:51:50240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20895552026-01-04 21:39:12240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport
20858782025-12-27 20:20:29240b:4009:2xx::/4045102 (CNNIC-ALIBABA-US-NET-AP)sgp (Singapore)yesblockedblockednoneReport

All results shown
Last Modified