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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
3653882017-12-03 15:39:392603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/56Report
3557042017-11-17 15:07:142603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/56Report
1807652017-04-05 19:44:072603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/56Report
1661412017-03-16 18:43:282603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/56Report
1480782017-02-16 18:30:502603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1431382017-02-08 21:24:592603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1383372017-02-01 20:09:242603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1337842017-01-25 19:37:152603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1310832017-01-17 19:11:592603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1242222017-01-06 20:29:062603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1217762017-01-02 18:58:252603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1065572016-12-07 19:49:152603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
939032016-11-17 18:47:492603:301b:25xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

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