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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
20679092025-11-25 06:15:542601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20675242025-11-24 14:42:092601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20605652025-11-12 06:28:472601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20577902025-11-03 13:14:142601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20506932025-10-21 10:15:002601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20455052025-10-12 19:12:322601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20303442025-09-15 15:42:402601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20302492025-09-15 13:47:052601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20190742025-08-26 14:57:542601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20148302025-08-18 16:51:172601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19995472025-07-22 10:56:282601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19934002025-07-11 04:53:422601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19933462025-07-11 01:43:012601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19933102025-07-10 23:17:142601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19929932025-07-10 13:31:152601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19744242025-06-07 18:23:182601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19744052025-06-07 17:40:402601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19743972025-06-07 17:17:352601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19743892025-06-07 16:58:172601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19728402025-06-04 19:54:202601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19717152025-06-03 07:54:512601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19663912025-05-23 15:48:572601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19648072025-05-21 06:57:292601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19603082025-05-13 21:03:482601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19528052025-04-30 17:53:022601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19387562025-04-03 18:58:562601:18c:8axx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
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