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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
7202272019-07-22 15:42:2931.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6499792019-03-26 12:24:0731.133.131.x/2456554 (IETF-MEETING)che (Switzerland)nounknownunknownnoneReport
6493352019-03-25 12:32:0231.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6491862019-03-25 08:00:3931.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6486872019-03-24 08:46:2131.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3549162017-11-16 09:30:2831.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3541522017-11-15 10:47:3331.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2750402017-07-17 07:39:0731.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2746302017-07-16 18:13:4031.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1753402017-03-29 19:26:4231.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1752062017-03-29 16:22:2331.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1751352017-03-29 14:54:3231.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport

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