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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
1259092017-01-09 22:08:362601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1221772017-01-03 14:16:162601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1203502016-12-30 16:55:252601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedreceivednoneReport
1167152016-12-23 15:40:022601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1125622016-12-16 13:26:262601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noreceivedblockednoneReport
1005772016-11-28 15:37:462601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
996962016-11-27 01:31:102601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
991382016-11-25 22:45:262601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
932312016-11-16 22:19:582601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedreceivednoneReport
857362016-11-04 13:43:192601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
803222016-10-20 20:22:342601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
593292016-06-22 00:48:342601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
587832016-06-16 14:44:082601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
581232016-06-09 13:30:142601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
573282016-06-01 15:35:282601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
570462016-05-28 02:14:582601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
569952016-05-27 14:03:562601:183:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

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