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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
16661592023-11-04 15:39:4731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
16658192023-11-03 21:51:4931.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
16104492023-07-22 13:45:0931.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
7167932019-07-16 12:49:5231.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔rewritten✔received/8Report
5630052018-10-31 03:26:5031.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
5629962018-10-31 03:00:2731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
5623542018-10-30 02:47:5331.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔received✔received/8Report
5620772018-10-29 17:39:4731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔received✔received/8Report
5050612018-07-20 15:27:3231.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
5028312018-07-16 20:13:1431.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
5001212018-07-11 19:09:3931.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
5000682018-07-11 17:26:1631.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
4998582018-07-11 12:00:5131.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
4995892018-07-11 00:10:1631.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
4993862018-07-10 17:08:0831.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
4992132018-07-10 13:00:4631.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔rewritten✔received/8Report
4989082018-07-10 01:04:3131.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔rewritten✔received/8Report
4306782018-03-20 14:11:1531.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
2769452017-07-19 11:35:0731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
2759492017-07-18 08:31:3831.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
2751782017-07-17 11:18:4131.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report
2691662017-07-10 09:31:3731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔received/8Report
1711292017-03-24 15:57:3031.133.144.x/2456554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/18Report

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