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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
3955982018-01-21 20:14:102601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3172962017-09-16 01:26:082601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3089372017-09-03 12:42:252601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3043002017-08-26 17:48:042601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2998062017-08-19 14:17:062601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2898882017-08-04 18:06:332601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2852922017-07-29 18:16:362601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2796082017-07-22 15:39:382601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2729552017-07-14 12:33:282601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2658212017-07-05 19:47:192601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2597382017-06-28 17:36:282601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
2514462017-06-18 20:56:062601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2449132017-06-11 10:32:142601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2386652017-06-03 21:43:262601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2321072017-05-27 13:52:392601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2256092017-05-20 10:27:232601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2160512017-05-10 22:14:212601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2086152017-05-03 20:46:532601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1980062017-04-24 10:41:122601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1905552017-04-16 23:39:482601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1840682017-04-09 22:21:072601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1784802017-04-02 20:56:052601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1727682017-03-26 19:20:512601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1677292017-03-19 12:09:422601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1630432017-03-12 00:28:162601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1618462017-03-10 00:43:382601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1593562017-03-05 22:23:102601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1551472017-02-26 21:07:302601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1406102017-02-05 04:58:462601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1359332017-01-29 03:43:142601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1191392016-12-28 11:08:002601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1153762016-12-21 09:52:172601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1135392016-12-18 05:07:192601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
922082016-11-15 17:27:412601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
695022016-09-14 05:08:382601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
679612016-09-05 08:27:592601:19d:4xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

All results shown
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