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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
3497002017-11-08 04:45:4231.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
3497002017-11-08 04:45:422001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
3496962017-11-08 04:37:0931.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedreceived/18Report
3496962017-11-08 04:37:092001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
3496942017-11-08 04:36:5331.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3496942017-11-08 04:36:532001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
3496922017-11-08 04:28:4431.133.152.x/2456554 (IETF-MEETING)che (Switzerland)noblockedreceived/18Report
3496922017-11-08 04:28:442001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
3496052017-11-08 00:52:3231.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
3496052017-11-08 00:52:322001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
3490662017-11-07 08:06:0531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
3489992017-11-07 05:35:0331.133.151.x/2456554 (IETF-MEETING)che (Switzerland)noreceivedreceived/8Report
3489992017-11-07 05:35:032001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/16Report
3488782017-11-07 00:03:1731.133.151.x/2456554 (IETF-MEETING)che (Switzerland)noreceivedreceived/8Report
3488782017-11-07 00:03:172001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/16Report
2787942017-07-21 11:53:0831.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
2787942017-07-21 11:53:082001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2787112017-07-21 10:00:3231.133.154.x/2456554 (IETF-MEETING)che (Switzerland)nounknownblockednoneReport
2787112017-07-21 10:00:322001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/88Report
2776962017-07-20 07:28:4331.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2776962017-07-20 07:28:432001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2769452017-07-19 11:35:0731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2769452017-07-19 11:35:072001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2768962017-07-19 10:18:3331.133.154.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2768962017-07-19 10:18:332001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2768392017-07-19 08:38:3131.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2768392017-07-19 08:38:312001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2760282017-07-18 10:52:162001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2759492017-07-18 08:31:3831.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2759492017-07-18 08:31:382001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2759412017-07-18 08:19:482001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2759392017-07-18 08:18:142001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2759172017-07-18 07:39:4831.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2759172017-07-18 07:39:482001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2755742017-07-17 20:26:3831.133.159.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2755742017-07-17 20:26:382001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2753952017-07-17 15:50:0031.133.145.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2753952017-07-17 15:50:002001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2752882017-07-17 13:41:5031.133.159.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2752882017-07-17 13:41:502001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2752302017-07-17 12:30:0031.133.159.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2752302017-07-17 12:30:002001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2751782017-07-17 11:18:4131.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2751452017-07-17 10:15:5631.133.159.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2751452017-07-17 10:15:562001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2751342017-07-17 10:00:232001:67c:3xx::/4056554 (IETF-MEETING)cze (Czech Republic)noblockedblockednoneReport
2751112017-07-17 09:05:2731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2751112017-07-17 09:05:272001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2750492017-07-17 07:59:082001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/72Report
2750402017-07-17 07:39:0731.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2750402017-07-17 07:39:072001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2750342017-07-17 07:32:4031.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2750342017-07-17 07:32:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
2750052017-07-17 06:52:4331.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2750052017-07-17 06:52:432001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2749832017-07-17 06:22:0331.133.157.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2749832017-07-17 06:22:032001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2746302017-07-16 18:13:4031.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2746302017-07-16 18:13:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2744612017-07-16 12:48:0031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2744612017-07-16 12:48:002001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2743882017-07-16 10:04:2031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2743882017-07-16 10:04:202001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2743352017-07-16 08:12:2231.133.129.x/2456554 (IETF-MEETING)che (Switzerland)nounknownblockednoneReport
2738922017-07-15 17:39:3731.133.129.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2738922017-07-15 17:39:372001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2738862017-07-15 17:24:5531.133.129.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2737032017-07-15 11:08:0831.133.154.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2737032017-07-15 11:08:082001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2736892017-07-15 10:35:4231.133.151.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
2736892017-07-15 10:35:422001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2732322017-07-14 19:13:2531.133.151.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/27Report
2732322017-07-14 19:13:252001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2731842017-07-14 17:52:0931.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2731842017-07-14 17:52:092001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/72Report
2730542017-07-14 14:57:5631.133.151.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2728802017-07-14 10:45:5831.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
2728802017-07-14 10:45:582001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2728722017-07-14 10:34:232001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2721152017-07-13 14:07:3831.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
2721152017-07-13 14:07:382001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2718472017-07-13 07:30:4031.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2718472017-07-13 07:30:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/80Report
2714652017-07-12 19:54:3131.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2714652017-07-12 19:54:312001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/48Report
2701752017-07-11 14:15:4331.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
2699452017-07-11 08:43:5331.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
2699452017-07-11 08:43:532001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceivednoneReport
2691662017-07-10 09:31:3731.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedreceived/8Report
2691662017-07-10 09:31:372001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noreceivedreceived/16Report
1762912017-03-30 21:18:0531.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1762912017-03-30 21:18:052001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1762632017-03-30 20:28:062001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1761312017-03-30 18:04:102001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1760192017-03-30 15:38:1031.133.151.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1759432017-03-30 14:22:1831.133.149.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1759252017-03-30 13:57:4531.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1753402017-03-29 19:26:4231.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1752062017-03-29 16:22:2331.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1752062017-03-29 16:22:232001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1751352017-03-29 14:54:3231.133.131.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1751352017-03-29 14:54:322001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1750962017-03-29 14:03:0831.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1750222017-03-29 12:31:3031.133.184.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1750222017-03-29 12:31:302001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1750192017-03-29 12:26:5931.133.184.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1745812017-03-28 21:45:1131.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
1745812017-03-28 21:45:112001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1745782017-03-28 21:41:1231.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1745782017-03-28 21:41:122001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/64Report
1745022017-03-28 19:12:5731.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1745022017-03-28 19:12:572001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1744582017-03-28 18:08:3931.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1744492017-03-28 17:56:0231.133.143.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1744492017-03-28 17:56:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1743502017-03-28 15:34:0031.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1743502017-03-28 15:34:002001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1738762017-03-28 02:32:2931.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1738762017-03-28 02:32:292001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1737492017-03-27 22:17:4831.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1737492017-03-27 22:17:482001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1736292017-03-27 19:24:2631.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1735782017-03-27 18:18:222001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1735652017-03-27 18:01:4131.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1735652017-03-27 18:01:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1734252017-03-27 15:06:5931.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1734252017-03-27 15:06:592001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1734032017-03-27 14:44:1931.133.137.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1734032017-03-27 14:44:192001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1733362017-03-27 13:47:0731.133.136.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1728262017-03-26 21:28:4731.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1728212017-03-26 21:22:1631.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1728052017-03-26 20:48:0531.133.134.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1728052017-03-26 20:48:052001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1727532017-03-26 19:01:1231.133.143.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1727532017-03-26 19:01:122001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1726402017-03-26 15:32:3731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1726392017-03-26 15:31:5131.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1726392017-03-26 15:31:512001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1725412017-03-26 13:06:4731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1716902017-03-25 14:21:1331.133.141.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
1716902017-03-25 14:21:132001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1711292017-03-24 15:57:3031.133.144.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1711292017-03-24 15:57:302001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1696932017-03-22 13:10:0731.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
1696932017-03-22 13:10:072001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1694552017-03-22 04:14:0231.133.184.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
1694552017-03-22 04:14:022001:67c:12xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
1692102017-03-21 18:12:1831.130.228.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
1692102017-03-21 18:12:182001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedreceived/48Report
934572016-11-17 06:05:5031.133.158.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
934572016-11-17 06:05:502001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
927372016-11-16 11:07:082001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
926052016-11-16 06:03:1131.133.142.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
919202016-11-15 09:02:5131.133.158.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
919202016-11-15 09:02:512001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
910852016-11-14 04:34:0731.133.142.x/2456554 (IETF-MEETING)che (Switzerland)nounknownblockednoneReport
910852016-11-14 04:34:072001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
909772016-11-14 00:33:1431.133.140.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
909772016-11-14 00:33:142001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
909642016-11-14 00:06:4131.133.143.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
904632016-11-13 04:17:1331.133.146.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/18Report
904542016-11-13 04:03:0531.130.224.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblocked/20Report
904542016-11-13 04:03:052001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
904042016-11-13 01:27:2731.133.133.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
903992016-11-13 01:02:3331.133.135.x/2456554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport
903992016-11-13 01:02:332001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblockednoneReport

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