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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
14065352022-07-24 09:39:182601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12656942021-12-08 00:08:202601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12487822021-11-11 18:58:062601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12260462021-10-05 02:26:462601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12216272021-09-28 01:20:072601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12174692021-09-21 00:13:242601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12131892021-09-13 08:27:352601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12093902021-09-06 06:41:282601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12055472021-08-30 05:34:482601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
12016032021-08-23 04:28:192601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11980832021-08-17 03:35:292601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11941192021-08-10 02:18:202601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11903082021-08-03 01:11:312601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11852312021-07-24 17:02:422601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11815442021-07-17 15:56:022601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11732142021-07-06 23:07:512601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11394082021-05-09 04:20:442601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11389782021-05-08 05:31:082601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11348022021-05-01 04:24:272601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11292292021-04-24 03:17:512601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11250532021-04-17 02:11:172601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11203172021-04-09 03:23:502601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11160762021-04-02 01:39:372601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11117132021-03-26 00:32:532601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11073112021-03-18 23:25:522601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11029062021-03-11 21:29:082601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
11001042021-03-08 02:45:292601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
10954432021-03-01 01:38:512601:1c2:41xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport

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