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
7908812019-11-18 10:00:1731.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6503092019-03-26 21:54:5431.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6486892019-03-24 09:03:1531.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6485362019-03-23 23:37:4631.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6485082019-03-23 22:23:0731.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
3553772017-11-17 00:51:3531.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2776962017-07-20 07:28:4331.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2768392017-07-19 08:38:3131.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1759432017-03-30 14:22:1831.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report

All results shown
Last Modified