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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
20337832025-09-21 14:16:042601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20297762025-09-14 06:46:132601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20255672025-09-07 05:38:342601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
20253732025-09-06 18:42:592601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
20213782025-08-30 16:51:392601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20176002025-08-23 15:44:062601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20006642025-07-24 03:52:202601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
19967182025-07-17 01:33:472601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19927192025-07-10 00:01:142601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
19887152025-07-02 19:38:522601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/96Report
19845202025-06-25 15:51:082601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
19807012025-06-18 14:39:482601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
19750472025-06-09 06:39:322601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19675822025-05-25 20:23:432601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
19562832025-05-07 13:30:432601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
19377572025-04-02 07:23:212601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
19340832025-03-26 13:20:452601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19301802025-03-19 05:20:182601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19259512025-03-12 02:19:132601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19214772025-03-04 23:55:282601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
19172452025-02-25 18:04:562601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19130402025-02-18 15:17:112601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19091722025-02-11 14:09:352601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19049092025-02-04 07:10:062601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19010422025-01-28 05:14:272601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18967842025-01-20 15:59:362601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18897602025-01-07 06:58:082601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18864162024-12-31 05:20:532601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18831522024-12-24 04:13:522601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18780012024-12-14 14:55:042601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18757342024-12-10 16:08:452601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18717422024-12-03 15:01:362601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18674202024-11-26 06:43:592601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18635632024-11-19 05:25:152601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18610982024-11-14 15:59:502601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18571912024-11-07 14:52:582601:643:8exx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified