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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
3054052017-08-28 18:28:292601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2993862017-08-18 18:37:412601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2413492017-06-07 01:11:082601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2173432017-05-12 02:06:302601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2013002017-04-27 13:18:092601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1883772017-04-14 12:51:352601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1760182017-03-30 15:36:142601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1754222017-03-29 21:38:002601:19a:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
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