Logo

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
4104952018-02-14 18:09:582601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4061812018-02-07 15:57:522601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3971362018-01-24 06:20:232601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3939302018-01-18 23:13:422601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3887642018-01-10 23:51:532601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3786912017-12-24 07:13:082601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3690802017-12-08 22:11:132601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3629332017-11-29 17:38:412601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3547562017-11-16 03:27:272601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3480742017-11-05 20:08:062601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3104582017-09-05 23:39:292601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3005332017-08-20 23:02:262601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
2848552017-07-29 01:58:142601:c3:43xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified