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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
16662372023-11-04 18:27:1931.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
16121512023-07-26 02:43:5631.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
14697392022-11-02 16:07:0931.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
14696692022-11-02 13:46:5231.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
14689802022-11-01 09:43:3331.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
14689672022-11-01 09:12:2231.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7901762019-11-17 01:57:5231.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7896812019-11-16 02:20:2531.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/19Report
7211912019-07-23 23:57:1531.133.147.x/2456554 (IETF-MEETING)che (Switzerland)nounknownunknownnoneReport
7191622019-07-20 14:04:3131.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5722722018-11-15 13:10:5931.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5722502018-11-15 12:24:0731.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5648372018-11-03 08:57:1431.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5023382018-07-16 03:37:2431.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5022172018-07-15 19:47:1331.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/31Report

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