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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
4846522018-06-14 21:37:202601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4804432018-06-07 18:47:072601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4740812018-05-28 12:55:152601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4646132018-05-13 19:17:042601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4599192018-05-06 18:07:472601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4446392018-04-12 13:57:372601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2688912017-07-10 01:21:172601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2631492017-07-02 16:43:172601:189:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

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