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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
6372482019-03-07 15:23:432601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6287542019-02-22 12:59:322601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6287302019-02-22 12:14:472601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6222872019-02-11 15:39:552601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6198232019-02-07 01:59:082601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6159282019-01-31 00:45:042601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6134342019-01-27 00:49:422601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6062782019-01-14 16:23:532601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6018482019-01-07 08:10:422601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6001762019-01-03 20:30:062601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5966902018-12-27 19:23:182601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5962162018-12-26 23:58:332601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5909142018-12-17 19:00:502601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5892842018-12-14 18:17:252601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5808822018-12-01 00:55:112601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5798322018-11-29 08:30:302601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5796742018-11-29 01:55:442601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5711652018-11-14 00:14:232601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5671642018-11-07 15:17:412601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5621072018-10-29 18:23:142601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5581232018-10-22 17:16:272601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5543712018-10-16 13:12:282601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5332042018-09-10 15:58:052601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5267432018-08-29 13:24:562601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5223192018-08-21 17:54:412601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5185802018-08-14 16:03:572601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5185762018-08-14 15:59:122601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5127852018-08-03 21:05:352601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5127152018-08-03 18:08:522601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5088372018-07-27 17:02:082601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5050142018-07-20 14:21:562601:646:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified