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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
17842352024-06-21 18:43:282601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17685002024-05-24 15:46:092601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17643202024-05-16 14:19:452601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17595222024-05-07 05:01:572601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17561962024-04-30 03:54:382601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17524022024-04-23 02:47:382601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17489842024-04-16 01:40:172601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17453422024-04-09 00:06:412601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17416312024-04-01 18:06:112601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17383292024-03-25 16:59:142601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17349142024-03-18 15:34:032601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17314232024-03-11 14:27:112601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17278092024-03-04 13:19:592601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17242122024-02-26 12:13:052601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17176022024-02-12 22:37:532601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17139672024-02-05 20:49:092601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17103552024-01-29 19:01:022601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17083692024-01-25 17:45:032601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17050032024-01-18 16:38:122601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17012642024-01-11 15:31:162601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16975202024-01-04 14:24:232601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16888822023-12-17 16:12:112601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16851492023-12-10 14:55:092601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16813472023-12-03 12:46:512601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16776052023-11-26 09:27:582601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16737762023-11-19 08:20:592601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16707192023-11-13 14:07:262601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16670172023-11-06 13:00:252601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16632172023-10-30 11:53:262601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16562232023-10-17 10:51:442601:198:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified