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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
17648872024-05-17 18:21:532601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17609252024-05-09 18:32:442601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17570562024-05-02 01:06:422601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17534402024-04-25 00:20:572601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17495632024-04-17 05:19:242601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17492372024-04-16 13:29:082601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17455042024-04-09 10:18:072601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17418992024-04-02 06:55:272601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17386082024-03-26 05:19:212601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17332852024-03-14 23:07:452601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17296572024-03-07 14:51:052601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17258012024-02-29 05:43:312601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17220652024-02-22 04:36:502601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17186372024-02-15 03:13:582601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17152752024-02-08 02:06:262601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17060742024-01-21 00:52:102601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17024222024-01-13 21:34:482601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16986912024-01-06 19:04:432601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16952812023-12-30 17:57:202601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16920452023-12-23 14:17:512601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16883742023-12-16 08:10:542601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16846322023-12-09 06:11:402601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16808392023-12-02 04:25:522601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16771102023-11-25 02:56:032601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16727882023-11-17 03:39:102601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16690592023-11-10 02:32:242601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16652342023-11-03 01:25:272601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16615022023-10-27 00:16:062601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16575072023-10-19 13:46:362601:643:8bxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified