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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
13677502022-05-20 13:42:432601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13629432022-05-13 05:15:012601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13590272022-05-06 02:13:492601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13545892022-04-28 03:38:132601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13545782022-04-28 02:24:202601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13516432022-04-20 13:01:272601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13514702022-04-20 07:09:562601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13470462022-04-11 22:45:032601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13340202022-03-24 18:19:012601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13338852022-03-24 14:55:132601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13336542022-03-24 06:48:202601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13263672022-03-17 05:41:382601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
13021122022-02-05 19:07:302601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12547682021-11-23 05:51:482601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12509432021-11-16 04:44:582601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12470072021-11-09 03:38:112601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12425972021-11-01 06:08:452601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12384472021-10-25 05:02:052601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12352502021-10-19 23:59:172601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12292972021-10-10 18:39:542601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12292832021-10-10 18:03:302601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11132632021-03-29 02:19:052601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11086112021-03-21 04:56:342601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11086102021-03-21 04:52:062601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6481082019-03-23 01:44:552601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6475122019-03-22 04:09:172601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6468112019-03-21 03:06:552601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6467622019-03-21 00:58:342601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6418502019-03-14 01:49:002601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6359372019-03-06 04:36:202601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6359272019-03-06 04:15:212601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6300562019-02-24 23:44:002601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6300462019-02-24 23:22:152601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6300422019-02-24 23:13:162601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6233362019-02-13 05:14:192601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6219692019-02-11 03:01:032601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6219632019-02-11 02:40:082601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6209082019-02-08 20:27:472601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6179812019-02-04 01:25:432601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6178192019-02-03 15:35:052601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/104Report
6130262019-01-25 23:40:412601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6124872019-01-25 02:29:172601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6118432019-01-23 22:45:322601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6112632019-01-23 02:10:482601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6112482019-01-23 01:41:512601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6023512019-01-07 23:08:362601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6017292019-01-07 01:54:452601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6009192019-01-05 04:52:252601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5986322018-12-31 22:16:372601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5982642018-12-31 01:43:192601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5974902018-12-29 03:51:152601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5974872018-12-29 03:42:142601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5974312018-12-29 00:33:152601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5937442018-12-22 02:21:582601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5902492018-12-16 21:50:142601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5876872018-12-13 01:11:362601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5841492018-12-06 22:25:062601:4c1:c4xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report

All results shown
Last Modified