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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
21145692026-02-17 01:00:24128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
21141962026-02-16 14:12:08128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
21108252026-02-10 14:41:02128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
21106192026-02-10 08:30:47128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
21102262026-02-09 19:07:33128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
21084752026-02-06 14:16:25128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
21082262026-02-06 02:35:10128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
21081242026-02-05 20:55:11128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
21079002026-02-05 13:47:54128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
21051802026-02-01 02:35:37128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
21051792026-02-01 02:29:54128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
21040962026-01-29 20:42:50128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
21034072026-01-28 19:51:56128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
21033192026-01-28 17:19:44128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
21033152026-01-28 17:10:51162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
21032642026-01-28 15:33:04128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
21028502026-01-27 20:46:21128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20992492026-01-21 14:25:19128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20987932026-01-20 19:38:47128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20986312026-01-20 13:52:51128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20965142026-01-16 19:18:10128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20965082026-01-16 19:10:22128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20947822026-01-13 18:31:07128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20939322026-01-12 15:08:58128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20908612026-01-06 17:23:28128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20901392026-01-05 19:20:08128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20899502026-01-05 14:01:03128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20874032025-12-30 16:15:54128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20840812025-12-23 15:08:20128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20822092025-12-19 19:31:00162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20814322025-12-18 15:27:00128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20801922025-12-16 17:32:04128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20800442025-12-16 14:00:41128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20773512025-12-11 18:03:59128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20760412025-12-09 18:54:01128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20758372025-12-09 12:52:56128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20727042025-12-03 16:27:16128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20726812025-12-03 15:44:55128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20726672025-12-03 15:22:33128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20726612025-12-03 15:10:10128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20726582025-12-03 15:04:53162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20722552025-12-02 21:07:24128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20722192025-12-02 19:44:24162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20721742025-12-02 17:46:15128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20719482025-12-02 11:45:12128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20716722025-12-01 21:38:14128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20716632025-12-01 21:25:53128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20681772025-11-25 16:38:16128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20680042025-11-25 10:37:32128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20677112025-11-24 20:18:44128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20655402025-11-20 20:39:45128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20641962025-11-18 14:54:03128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20640052025-11-18 09:29:50128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20616782025-11-13 19:32:24128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20616412025-11-13 18:50:02128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20616242025-11-13 18:27:43128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20616102025-11-13 18:15:23128.220.3.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20608102025-11-12 14:29:43128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20600582025-11-11 08:22:09128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20550492025-10-28 18:27:51162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20547272025-10-28 06:09:22128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20510272025-10-21 21:42:46128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20509272025-10-21 17:20:40162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20505902025-10-21 05:01:37128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20468382025-10-14 20:35:04128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20466462025-10-14 15:03:39128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20463482025-10-14 03:53:55128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20439072025-10-09 13:42:52162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20427462025-10-07 13:55:44128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20424822025-10-07 02:46:15128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20420972025-10-06 13:47:11128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20387952025-09-30 01:38:30128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20383262025-09-29 12:39:29128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20362482025-09-25 18:30:40162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20361192025-09-25 13:29:35162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20361152025-09-25 13:19:52162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20346352025-09-23 00:30:51128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20346192025-09-22 23:48:09128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20346102025-09-22 23:25:28128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20346032025-09-22 23:12:49128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20329242025-09-19 16:24:12162.129.250.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20311042025-09-16 17:51:53162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20306032025-09-15 22:05:12128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20305922025-09-15 21:57:35128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20304952025-09-15 19:38:06128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20290442025-09-12 15:16:27128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20270402025-09-09 16:44:18162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20263972025-09-08 18:30:26128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20247782025-09-05 14:07:54128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20241792025-09-04 13:07:39128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20238442025-09-03 20:48:46128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20230082025-09-02 15:36:47162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20229832025-09-02 14:54:18162.129.251.x/245723 (JHU)usa (United States)yesunknownblockednoneReport
20229702025-09-02 14:31:48162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20229602025-09-02 14:19:17162.129.251.x/245723 (JHU)usa (United States)yesblockedblockednoneReport
20208402025-08-29 14:18:50128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20202092025-08-28 13:30:27128.220.159.x/245723 (JHU)usa (United States)yesrewrittenblocked/16Report
20198302025-08-27 19:41:08128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20197952025-08-27 18:56:59128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport
20197762025-08-27 18:24:12128.220.3.x/245723 (JHU)usa (United States)yesrewrittenrewrittennoneReport

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