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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
7942802019-11-23 04:58:1931.130.236.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7942802019-11-23 04:58:192001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/16Report
7937182019-11-22 08:20:1131.133.154.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7935942019-11-22 02:15:182001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7922822019-11-20 07:54:102001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
7914342019-11-19 01:52:4431.133.141.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7914342019-11-19 01:52:442001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7908862019-11-18 10:14:252001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
7908812019-11-18 10:00:1731.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7902152019-11-17 04:53:1231.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7902152019-11-17 04:53:122001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7901962019-11-17 03:21:4131.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7901962019-11-17 03:21:412001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7901902019-11-17 02:50:0931.133.135.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7901902019-11-17 02:50:092001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7901842019-11-17 02:35:3531.133.135.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7901842019-11-17 02:35:352001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7901762019-11-17 01:57:5231.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7901762019-11-17 01:57:522001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7896812019-11-16 02:20:2531.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/19Report
7896812019-11-16 02:20:252001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7221752019-07-25 15:00:522001:67c:12xx::/4056554 (IETF-MEETING)zaf (South Africa)noblockedblocked/48Report
7217642019-07-24 21:15:4131.133.141.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7217642019-07-24 21:15:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
7217022019-07-24 18:56:0731.133.139.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7217022019-07-24 18:56:072001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
7216802019-07-24 18:18:352001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7216232019-07-24 16:52:0231.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
7216232019-07-24 16:52:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7214402019-07-24 11:10:5031.133.157.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7214402019-07-24 11:10:502001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7211912019-07-23 23:57:1531.133.147.x/2456554 (IETF-MEETING)che (Switzerland)nounknownunknownnoneReport
7208512019-07-23 14:02:2931.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7208512019-07-23 14:02:292001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7204032019-07-22 20:40:1631.133.139.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7204032019-07-22 20:40:162001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
7203672019-07-22 19:39:1331.133.139.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7202782019-07-22 17:00:252001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7202272019-07-22 15:42:2931.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7202272019-07-22 15:42:292001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
7197652019-07-21 19:54:5131.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7197652019-07-21 19:54:512001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/96Report
7196622019-07-21 14:52:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7196602019-07-21 14:43:4431.133.129.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7196602019-07-21 14:43:442001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
7196392019-07-21 13:50:0831.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
7196392019-07-21 13:50:082001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
7195512019-07-21 10:14:5431.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7195512019-07-21 10:14:542001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7194062019-07-21 03:55:5631.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7193992019-07-21 03:25:3231.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7193992019-07-21 03:25:322001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7193122019-07-20 22:03:2031.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7193122019-07-20 22:03:202001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7193042019-07-20 21:24:1031.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
7193032019-07-20 21:15:0231.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/18Report
7193032019-07-20 21:15:022001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
7191622019-07-20 14:04:3131.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
7191622019-07-20 14:04:312001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7179842019-07-18 12:18:2731.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
7179842019-07-18 12:18:272001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7167932019-07-16 12:49:5231.133.144.x/2456554 (IETF-MEETING)che (Switzerland)norewrittenreceived/8Report
7167932019-07-16 12:49:522001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/16Report
6517942019-03-29 08:09:5331.133.155.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6517942019-03-29 08:09:532001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6511832019-03-28 08:52:3031.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6511832019-03-28 08:52:302001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6507882019-03-27 16:21:5831.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6507882019-03-27 16:21:582001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6507872019-03-27 16:21:142001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6505362019-03-27 08:15:472001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6505002019-03-27 07:01:262001:67c:12xx::/4056554 (IETF-MEETING)usa (United States)noblockedblocked/48Report
6504822019-03-27 06:19:4431.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6503092019-03-26 21:54:5431.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6503092019-03-26 21:54:542001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6500052019-03-26 13:25:5831.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6500052019-03-26 13:25:582001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6499962019-03-26 12:56:4031.133.132.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6499962019-03-26 12:56:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
6499792019-03-26 12:24:0731.133.131.x/2456554 (IETF-MEETING)che (Switzerland)nounknownunknownnoneReport
6499752019-03-26 12:14:4931.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6499752019-03-26 12:14:492001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6499232019-03-26 10:37:5631.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6499232019-03-26 10:37:562001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
6499162019-03-26 10:28:4131.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6499162019-03-26 10:28:412001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6498872019-03-26 09:06:3931.133.148.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6498872019-03-26 09:06:392001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6498822019-03-26 09:00:3431.133.139.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6498822019-03-26 09:00:342001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6498682019-03-26 08:16:3031.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6498682019-03-26 08:16:302001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6498432019-03-26 06:46:1731.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6498432019-03-26 06:46:172001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6498402019-03-26 06:38:5431.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/18Report
6498402019-03-26 06:38:542001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
6494882019-03-25 16:35:1731.133.148.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6494882019-03-25 16:35:172001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6493662019-03-25 13:34:0531.133.138.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6493662019-03-25 13:34:052001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6493352019-03-25 12:32:0231.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6493352019-03-25 12:32:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
6493062019-03-25 11:39:552001:67c:12xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
6492952019-03-25 11:23:382001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/80Report
6492472019-03-25 09:48:0831.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblockednoneReport
6492472019-03-25 09:48:082001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
6491952019-03-25 08:11:432001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6491902019-03-25 08:07:2631.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6491902019-03-25 08:07:262001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6491862019-03-25 08:00:3931.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6491862019-03-25 08:00:392001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
6487742019-03-24 12:53:3331.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6487742019-03-24 12:53:332001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6487292019-03-24 10:45:0931.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6487292019-03-24 10:45:092001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6487082019-03-24 09:57:5531.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6487082019-03-24 09:57:552001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6486922019-03-24 09:13:5931.133.150.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6486922019-03-24 09:13:592001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6486892019-03-24 09:03:1531.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6486892019-03-24 09:03:152001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6486872019-03-24 08:46:2131.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
6486872019-03-24 08:46:212001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6486822019-03-24 08:29:1931.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6486822019-03-24 08:29:192001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6485402019-03-24 00:13:082001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6485362019-03-23 23:37:4631.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6485362019-03-23 23:37:462001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6485082019-03-23 22:23:0731.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6485082019-03-23 22:23:072001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6484452019-03-23 17:52:3031.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6484452019-03-23 17:52:302001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6484352019-03-23 17:27:1731.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6484352019-03-23 17:27:172001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6484292019-03-23 17:10:0831.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6484292019-03-23 17:10:082001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6484122019-03-23 16:33:1631.133.148.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6484122019-03-23 16:33:162001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6483502019-03-23 14:29:4331.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6483382019-03-23 13:42:2231.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6483382019-03-23 13:42:222001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6482852019-03-23 11:04:5731.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
6482852019-03-23 11:04:572001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6482252019-03-23 08:29:162001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
5722722018-11-15 13:10:5931.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5722502018-11-15 12:24:0731.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5722502018-11-15 12:24:072001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5722392018-11-15 11:47:1731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5722392018-11-15 11:47:172001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/72Report
5684352018-11-09 15:48:1631.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5684352018-11-09 15:48:162001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5676352018-11-08 08:31:4631.133.185.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5676352018-11-08 08:31:462001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5676102018-11-08 07:09:5531.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/19Report
5676032018-11-08 06:46:592001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5675902018-11-08 05:57:4231.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5675902018-11-08 05:57:422001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
5675462018-11-08 04:20:5531.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5675462018-11-08 04:20:552001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
5674752018-11-08 01:16:1131.133.189.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5674752018-11-08 01:16:112001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5671332018-11-07 14:17:3131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5671332018-11-07 14:17:312001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5670102018-11-07 09:38:112001:67c:12xx::/4056554 (IETF-MEETING)usa (United States)noblockedblocked/48Report
5669302018-11-07 06:40:432001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
5668892018-11-07 04:16:0631.133.191.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5668892018-11-07 04:16:062001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5668582018-11-07 02:45:572001:67c:12xx::/4056554 (IETF-MEETING)usa (United States)noblockedblocked/48Report
5668212018-11-07 01:01:2631.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5668212018-11-07 01:01:262001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report

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