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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
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
5662692018-11-06 03:04:3831.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5662692018-11-06 03:04:382001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5662152018-11-06 00:02:0331.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5662152018-11-06 00:02:032001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5657582018-11-05 08:12:0931.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5657582018-11-05 08:12:092001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5657432018-11-05 07:56:3431.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
5657432018-11-05 07:56:342001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5657032018-11-05 06:16:572001:67c:3xx::/4056554 (IETF-MEETING)usa (United States)noblockedblocked/56Report
5656822018-11-05 05:23:5531.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5656822018-11-05 05:23:552001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5656752018-11-05 05:09:362001:67c:12xx::/4056554 (IETF-MEETING)usa (United States)noblockedblocked/48Report
5656522018-11-05 03:22:3131.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5656522018-11-05 03:22:312001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5656502018-11-05 03:18:1731.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5656502018-11-05 03:18:172001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5656222018-11-05 02:01:2631.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5656222018-11-05 02:01:262001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5656122018-11-05 01:04:3731.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5656122018-11-05 01:04:372001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
5653542018-11-04 09:51:452001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/72Report
5652642018-11-04 06:11:492001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
5652572018-11-04 05:34:252001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5652032018-11-04 02:45:5031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5652032018-11-04 02:45:502001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/56Report
5650472018-11-03 18:13:5031.133.148.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5650472018-11-03 18:13:502001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5648372018-11-03 08:57:1431.133.147.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5648372018-11-03 08:57:142001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5648192018-11-03 07:53:1831.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5648192018-11-03 07:53:182001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5648152018-11-03 07:44:5431.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5648152018-11-03 07:44:542001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5647912018-11-03 06:23:022001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
5647632018-11-03 04:59:4531.133.157.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5647522018-11-03 03:35:1031.133.156.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/19Report
5647522018-11-03 03:35:102001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5647492018-11-03 03:20:402001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
5647412018-11-03 02:55:4531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5647412018-11-03 02:55:452001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/72Report
5647202018-11-03 01:27:4431.133.153.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
5647202018-11-03 01:27:442001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5642452018-11-02 03:53:2531.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/18Report
5642452018-11-02 03:53:252001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
5642172018-11-02 02:43:2631.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/19Report
5642172018-11-02 02:43:262001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
5642052018-11-02 01:56:2431.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5642052018-11-02 01:56:242001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/80Report
5636892018-11-01 06:23:3031.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/18Report
5636892018-11-01 06:23:302001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
5635822018-11-01 02:02:3531.133.145.x/2456554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/18Report
5635822018-11-01 02:02:352001:67c:12xx::/4056554 (IETF-MEETING)gbr (United Kingdom)noblockedblocked/48Report
5630292018-10-31 04:50:4031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5630292018-10-31 04:50:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
5630052018-10-31 03:26:5031.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedreceived/8Report
5629962018-10-31 03:00:2731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedreceived/8Report
5624802018-10-30 08:37:4131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
5624802018-10-30 08:37:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
5623542018-10-30 02:47:5331.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noreceivedreceived/8Report
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