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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
2033112017-04-29 00:17:562601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1976872017-04-24 02:02:252601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1903712017-04-16 18:17:212601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1826422017-04-07 21:59:032601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1818602017-04-07 00:39:122601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1763082017-03-30 21:53:512601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1700612017-03-22 23:54:532601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1655592017-03-15 22:33:552601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1642442017-03-14 03:30:232601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1593152017-03-05 20:38:302601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1588012017-03-04 19:29:542601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1538952017-02-25 17:54:502601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1499312017-02-19 22:21:222601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1438422017-02-09 23:27:082601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1425942017-02-08 00:07:412601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1419072017-02-07 03:01:132601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1364812017-01-30 03:51:542601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1298822017-01-15 23:59:022601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1252692017-01-08 22:43:032601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1237212017-01-05 23:01:332601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1224532017-01-03 22:12:462601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1178562016-12-26 03:43:432601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1172102016-12-24 17:08:542601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1123802016-12-16 04:19:572601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1098372016-12-12 21:33:422601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1091752016-12-11 23:27:242601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1091442016-12-11 22:27:182601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1045062016-12-04 15:15:202601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
994422016-11-26 15:21:392601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
949842016-11-19 04:03:052601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
918582016-11-15 05:13:432601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
918392016-11-15 04:45:222601:404:ccxx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

All results shown
Last Modified