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
6507882019-03-27 16:21:5831.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3541222017-11-15 10:02:0831.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3538592017-11-15 02:03:0931.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2750052017-07-17 06:52:4331.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
909772016-11-14 00:33:1431.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
623252016-07-22 21:39:0531.133.140.x/2456554 (IETF-MEETING)che (Switzerland)nounknownblockednoneReport
616832016-07-15 18:03:4131.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report

All results shown
Last Modified