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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
17345952024-03-18 00:23:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
17333642024-03-15 03:00:032001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
16693232023-11-10 14:30:002001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/72Report
16686352023-11-09 08:16:552001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16680792023-11-08 10:03:032001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16664682023-11-05 08:55:302001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16664662023-11-05 08:46:422001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16660332023-11-04 10:24:522001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16660232023-11-04 09:25:452001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
16660172023-11-04 09:11:362001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
16660142023-11-04 09:04:142001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
16660092023-11-04 08:29:562001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
16643042023-11-01 08:56:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16638992023-10-31 16:05:352001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
16131552023-07-27 23:53:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16131522023-07-27 23:49:432001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16129902023-07-27 16:58:262001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16125242023-07-26 18:32:142001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16113842023-07-24 17:00:212001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16109302023-07-23 17:06:042001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔unknown✔unknownnoneReport
16105492023-07-22 17:17:462001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
16100772023-07-21 15:49:332001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
16095422023-07-20 15:51:282001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blockednoneReport
16090572023-07-19 17:25:172001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blockednoneReport
14753002022-11-09 14:10:082001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
14716522022-11-05 08:26:532001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blockednoneReport
14697372022-11-02 16:06:262001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blockednoneReport
14066652022-07-24 16:06:512001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
14062272022-07-23 14:35:532001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
14062252022-07-23 14:30:582001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blockednoneReport
7942802019-11-23 04:58:192001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔received✔received/16Report
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)no✔blocked✔blocked/48Report
7914342019-11-19 01:52:442001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
7908862019-11-18 10:14:252001:67c:3xx::/4056554 (IETF-MEETING)fra (France)no✔blocked✔blocked/48Report
7902152019-11-17 04:53:122001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
7901902019-11-17 02:50:092001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
7901842019-11-17 02:35:352001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
7217642019-07-24 21:15:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
7217022019-07-24 18:56:072001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
7216802019-07-24 18:18:352001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7216232019-07-24 16:52:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
7204032019-07-22 20:40:162001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
7202782019-07-22 17:00:252001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7202272019-07-22 15:42:292001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
7197652019-07-21 19:54:512001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/96Report
7196622019-07-21 14:52:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
7196602019-07-21 14:43:442001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
7196392019-07-21 13:50:082001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
7179842019-07-18 12:18:272001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6507882019-03-27 16:21:582001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/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
6500052019-03-26 13:25:582001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6499962019-03-26 12:56:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/64Report
6499232019-03-26 10:37:562001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
6498822019-03-26 09:00:342001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6498682019-03-26 08:16:302001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6493662019-03-25 13:34:052001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6493352019-03-25 12:32:022001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/64Report
6492952019-03-25 11:23:382001:67c:3xx::/4056554 (IETF-MEETING)fra (France)no✔blocked✔blocked/80Report
6491952019-03-25 08:11:432001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
6491902019-03-25 08:07:262001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6491862019-03-25 08:00:392001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
6487742019-03-24 12:53:332001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6487292019-03-24 10:45:092001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6487082019-03-24 09:57:552001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6486872019-03-24 08:46:212001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
6482252019-03-23 08:29:162001:67c:3xx::/4056554 (IETF-MEETING)fra (France)no✔blocked✔blocked/48Report
5722392018-11-15 11:47:172001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/72Report
5676032018-11-08 06:46:592001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5675902018-11-08 05:57:422001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
5675462018-11-08 04:20:552001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/64Report
5671332018-11-07 14:17:312001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5669302018-11-07 06:40:432001:67c:3xx::/4056554 (IETF-MEETING)fra (France)noblockedblocked/48Report
5657432018-11-05 07:56:342001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5657032018-11-05 06:16:572001:67c:3xx::/4056554 (IETF-MEETING)usa (United States)noblockedblocked/56Report
5656522018-11-05 03:22:312001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5656122018-11-05 01:04:372001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/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 02:45:502001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/56Report
5648152018-11-03 07:44:542001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5647912018-11-03 06:23:022001:67c:3xx::/4056554 (IETF-MEETING)fra (France)no✔blocked✔blocked/48Report
5647492018-11-03 03:20:402001:67c:3xx::/4056554 (IETF-MEETING)fra (France)no✔blocked✔blocked/48Report
5647412018-11-03 02:55:452001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/72Report
5642052018-11-02 01:56:242001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/80Report
5630292018-10-31 04:50:402001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/64Report
5624802018-10-30 08:37:412001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/64Report
5049552018-07-20 12:21:382001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5046352018-07-19 20:46:552001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)noblockedblocked/48Report
5046272018-07-19 20:25:352001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5044102018-07-19 12:54:382001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/112Report
5043812018-07-19 12:10:072001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5040642018-07-18 21:18:232001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5040222018-07-18 19:41:462001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report
5039562018-07-18 17:38:122001:67c:3xx::/4056554 (IETF-MEETING)che (Switzerland)no✔blocked✔blocked/48Report

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