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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
1362622017-01-29 18:42:092601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1296832017-01-15 15:11:552601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1250562017-01-08 13:56:562601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1211882017-01-01 12:41:462601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1204312016-12-30 19:37:102601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1167952016-12-23 18:22:082601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1133442016-12-17 20:53:522601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1084742016-12-10 19:38:342601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1040312016-12-03 18:23:302601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
994762016-11-26 17:07:512601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
952352016-11-19 15:52:292601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
900752016-11-12 14:37:232601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
861172016-11-05 13:22:462601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
815492016-10-24 10:58:492601:648:83xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

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