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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
2480352017-06-14 22:15:032601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2234452017-05-18 04:26:342601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2160112017-05-10 21:35:092601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2064062017-05-01 23:50:422601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1986262017-04-24 22:34:442601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1916712017-04-18 03:54:102601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1825762017-04-07 20:04:242601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1763742017-03-30 23:34:212601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1752302017-03-29 16:50:012601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1694652017-03-22 04:49:582601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1642082017-03-14 02:13:052601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1617712017-03-09 23:07:452601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1611242017-03-08 22:39:062601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1570842017-03-01 21:23:272601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1399452017-02-04 00:26:052601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1352892017-01-27 23:10:262601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1287042017-01-13 19:39:342601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1249172017-01-08 05:53:042601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1210402017-01-01 04:19:172601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1182802016-12-27 00:39:422601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1162862016-12-22 20:24:042601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1120852016-12-15 19:08:232601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1071612016-12-08 17:52:522601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1028032016-12-01 16:45:132601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1021832016-11-30 19:20:292601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
978292016-11-23 18:04:492601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
919812016-11-15 11:27:502601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
882492016-11-10 06:42:092601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
853242016-11-03 05:25:272601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
826982016-10-27 04:09:312601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
805882016-10-21 16:41:482601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
800602016-10-20 02:53:552601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
791622016-10-17 17:02:172601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
780142016-10-13 10:22:172601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
769182016-10-10 05:47:302601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
756082016-10-05 20:00:072601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
753532016-10-05 02:50:122601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
743522016-10-02 00:59:042601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
718642016-09-24 23:43:142601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
703112016-09-17 22:27:482601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
702932016-09-17 20:39:512601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
698212016-09-15 10:27:472601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
698112016-09-15 09:03:072601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
684472016-09-08 07:47:412601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
676502016-09-03 04:52:322601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
667002016-08-27 03:37:052601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
656832016-08-20 02:21:342601:200:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

All results shown
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