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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
5676102018-11-08 07:09:5531.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/19Report
5647522018-11-03 03:35:1031.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/19Report
5044682018-07-19 14:40:3831.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5044112018-07-19 12:56:0331.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5041552018-07-19 01:26:5731.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5034532018-07-17 20:46:4731.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5031932018-07-17 12:18:2831.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5027292018-07-16 16:52:4731.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5025632018-07-16 12:40:1231.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5018012018-07-14 23:48:3531.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5017762018-07-14 22:21:3531.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
4299162018-03-19 10:31:4431.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
4284522018-03-16 16:48:1531.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report

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