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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
7195512019-07-21 10:14:5431.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7193122019-07-20 22:03:2031.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5684352018-11-09 15:48:1631.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5668212018-11-07 01:01:2631.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5662692018-11-06 03:04:3831.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5657582018-11-05 08:12:0931.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5656822018-11-05 05:23:5531.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5656502018-11-05 03:18:1731.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5648192018-11-03 07:53:1831.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5647202018-11-03 01:27:4431.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5015742018-07-14 11:55:2431.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5011162018-07-13 13:08:3831.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5006112018-07-12 15:39:1331.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
4999662018-07-11 14:29:5531.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedreceived/8Report
4312852018-03-21 11:46:4131.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
3550812017-11-16 15:34:5131.133.153.x/2456554 (IETF-MEETING)che (Switzerland)yesblockedblockednoneReport

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