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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
4523792018-04-24 23:38:052601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4455632018-04-13 23:06:112601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4338662018-03-25 23:38:262601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4168832018-02-25 22:26:092601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3816072017-12-29 23:51:392601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1679712017-03-19 23:20:412601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1476122017-02-16 01:28:502601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1409772017-02-05 21:59:022601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1200642016-12-30 01:04:522601:248:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

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