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
16701712023-11-12 08:37:2231.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
16693842023-11-10 16:52:1031.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
16693632023-11-10 15:59:5631.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
14751722022-11-09 11:09:5531.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7901962019-11-17 03:21:4131.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6511832019-03-28 08:52:3031.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6486922019-03-24 09:13:5931.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5025232018-07-16 11:09:1231.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
3555052017-11-17 07:03:4731.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noreceivedreceived/8Report

All results shown
Last Modified