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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
18647272024-11-21 03:52:382601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18639212024-11-19 18:08:422601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18634182024-11-18 22:28:492601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18611312024-11-14 16:41:312601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18575292024-11-08 06:16:272601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18575122024-11-08 04:41:292601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18574062024-11-07 22:18:592601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18572452024-11-07 16:41:112601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18569322024-11-07 02:07:072601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18564122024-11-06 07:05:582601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18561812024-11-05 19:18:112601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18557342024-11-05 02:17:402601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18556732024-11-04 23:16:172601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18550662024-11-04 00:01:272601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18529922024-10-31 00:58:142601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18527702024-10-30 17:11:132601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18523292024-10-30 01:34:582601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18522752024-10-29 23:27:452601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18521222024-10-29 17:49:092601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18516322024-10-28 22:42:352601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18510382024-10-27 02:48:332601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18509692024-10-26 22:36:442601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18509372024-10-26 20:49:352601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18497992024-10-24 16:03:462601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18493072024-10-23 17:38:192601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15388952023-03-07 05:23:482601:280:cbxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified