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
5722392018-11-15 11:47:1731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5671332018-11-07 14:17:3131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5652032018-11-04 02:45:5031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5648152018-11-03 07:44:5431.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5647412018-11-03 02:55:4531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5642052018-11-02 01:56:2431.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5630292018-10-31 04:50:4031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5624802018-10-30 08:37:4131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5049552018-07-20 12:21:3831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5044102018-07-19 12:54:3831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5043812018-07-19 12:10:0731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5040222018-07-18 19:41:4631.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5037762018-07-18 12:11:3731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5033952018-07-17 18:28:3631.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5033732018-07-17 17:32:1531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5007552018-07-12 20:21:3431.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5007122018-07-12 19:02:0831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5006692018-07-12 17:27:4131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5006082018-07-12 15:31:4731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5004942018-07-12 11:47:5031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4321602018-03-22 17:39:0731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)nounknownunknownnoneReport
4321232018-03-22 16:22:3831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4320882018-03-22 15:19:3831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4320582018-03-22 14:18:4831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4320332018-03-22 13:34:5631.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4319002018-03-22 08:55:5431.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4314712018-03-21 17:14:0931.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4313392018-03-21 13:35:1531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4298872018-03-19 09:22:1231.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4289112018-03-17 12:28:4831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
4268182018-03-14 10:51:3631.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3549142017-11-16 09:28:0131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3549022017-11-16 09:10:4831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3548882017-11-16 08:49:4931.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3547262017-11-16 02:03:5231.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3541582017-11-15 10:51:1831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3497022017-11-08 04:48:3531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3496942017-11-08 04:36:5331.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3490662017-11-07 08:06:0531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2744612017-07-16 12:48:0031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2743882017-07-16 10:04:2031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2731842017-07-14 17:52:0931.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2718472017-07-13 07:30:4031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2714652017-07-12 19:54:3131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2701752017-07-11 14:15:4331.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1759252017-03-30 13:57:4531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1750962017-03-29 14:03:0831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1736292017-03-27 19:24:2631.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1733362017-03-27 13:47:0731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport

All results shown
Last Modified