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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
9207082020-06-30 13:39:252601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5335062018-09-11 02:58:392601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5295502018-09-04 01:51:422601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5231562018-08-23 04:38:552601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5189262018-08-15 04:06:112601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5149212018-08-08 02:59:242601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5105442018-07-31 02:37:012601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5014932018-07-14 06:21:222601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4972692018-07-07 03:39:302601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4931542018-06-29 18:59:192601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4885202018-06-21 19:28:332601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4820382018-06-11 01:01:262601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4811372018-06-09 00:54:402601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4763882018-05-31 22:14:412601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4668922018-05-17 02:36:202601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4620792018-05-09 15:09:512601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4555062018-04-30 02:03:522601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4480062018-04-18 00:37:192601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4434732018-04-10 22:54:582601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4398102018-04-04 19:55:172601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4356882018-03-28 18:48:402601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4314532018-03-21 16:47:502601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4256222018-03-12 16:56:012601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4150332018-02-22 13:16:532601:408:c3xx::/407160 (NETDYNAMICS)usa (United States)noblockedblocked/64Report
3963832018-01-23 04:28:402601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3917892018-01-16 03:21:542601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3895782018-01-12 03:14:382601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3809542017-12-28 20:08:282601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3769152017-12-21 01:36:322601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3724432017-12-14 00:23:522601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3670252017-12-06 01:29:462601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3621432017-11-28 15:42:552601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
3577242017-11-21 01:17:532601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3554482017-11-17 04:25:462601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3505642017-11-09 14:56:272601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3458992017-11-02 02:02:212601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3409632017-10-24 23:19:092601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3363952017-10-17 23:14:232601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3278692017-10-04 00:35:322601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3272362017-10-03 02:12:502601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3268632017-10-02 15:11:502601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3227942017-09-25 01:58:312601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3173822017-09-16 05:24:492601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3123152017-09-08 17:15:542601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3069692017-08-31 03:17:402601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2957622017-08-12 21:35:102601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2852892017-07-29 18:13:292601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2791352017-07-21 22:55:312601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2733222017-07-14 21:38:332601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2673812017-07-07 16:38:352601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/88Report
2587082017-06-27 14:51:362601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2526122017-06-20 04:28:032601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2462852017-06-13 03:21:202601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2401992017-06-05 19:23:272601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2274192017-05-22 13:16:252601:408:c3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified