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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
10431742020-12-09 04:17:222601:640:1xx::/4033651 (CMCS)usa (United States)noblockedblocked/64Report
9822602020-09-15 08:48:182601:640:1xx::/4033651 (CMCS)usa (United States)nounknownunknownnoneReport
9821362020-09-15 03:14:582601:640:1xx::/4033651 (CMCS)usa (United States)noblockedblocked/64Report
9815412020-09-14 07:41:212601:640:1xx::/4033651 (CMCS)usa (United States)nounknownunknownnoneReport
9815332020-09-14 07:10:452601:640:1xx::/4033651 (CMCS)usa (United States)nounknownunknownnoneReport
9735292020-09-06 21:29:312601:640:1xx::/4033651 (CMCS)usa (United States)noblockedblocked/64Report
9702292020-09-04 03:10:432601:640:1xx::/4033651 (CMCS)usa (United States)noblockedblocked/64Report
9701812020-09-04 00:26:082601:640:1xx::/4033651 (CMCS)usa (United States)noblockedblocked/64Report
9216092020-07-02 01:15:242601:640:1xx::/4033651 (CMCS)usa (United States)noblockedblocked/72Report
8557172020-03-05 17:05:292601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
8477372020-02-24 22:14:352601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
8411612020-02-13 16:23:552601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
7775552019-10-27 19:00:042601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
7385812019-08-24 01:06:592601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6526072019-03-30 19:06:152601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6406052019-03-12 17:40:462601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6405442019-03-12 16:34:242601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6403942019-03-12 13:27:482601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6402952019-03-12 11:09:572601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6402092019-03-12 08:54:482601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6401382019-03-12 06:37:072601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6401082019-03-12 04:43:562601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6400682019-03-12 02:45:122601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6400232019-03-12 00:44:252601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6399712019-03-11 22:45:392601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6399042019-03-11 20:44:562601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6398322019-03-11 18:22:552601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5115622018-08-01 15:52:102601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3340522017-10-13 20:42:172601:640:1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified