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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
5026062018-07-16 13:44:3331.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4312682018-03-21 11:02:0931.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4300112018-03-19 13:29:1231.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4294342018-03-18 11:19:3831.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2751112017-07-17 09:05:2731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2750342017-07-17 07:32:4031.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1762912017-03-30 21:18:0531.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1726402017-03-26 15:32:3731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1726392017-03-26 15:31:5131.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1725412017-03-26 13:06:4731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
926052016-11-16 06:03:1131.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
910852016-11-14 04:34:0731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)nounknownblockednoneReport
618102016-07-17 18:29:5731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
617282016-07-16 20:20:4031.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report

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