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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
19420312025-04-09 20:38:46128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19420112025-04-09 19:55:38128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19419952025-04-09 19:32:29128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19419852025-04-09 19:19:20128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19380922025-04-02 18:11:13128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19342082025-03-26 17:03:09128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19342012025-03-26 16:57:09128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19337592025-03-25 21:58:59128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19300042025-03-18 20:50:51128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19257732025-03-11 19:42:35128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19257372025-03-11 18:48:18128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19256892025-03-11 17:38:06128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19251522025-03-10 23:47:51128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19208932025-03-03 22:39:35128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19166592025-02-24 21:31:16128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19166412025-02-24 20:48:01128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19166322025-02-24 20:24:42128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19166232025-02-24 20:11:23128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19137982025-02-19 20:20:33128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19119972025-02-16 23:34:20128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19081542025-02-09 22:26:04128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19081232025-02-09 20:55:49128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19081182025-02-09 20:45:34128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19061232025-02-06 03:55:18128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19061112025-02-06 03:12:02128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report
19061042025-02-06 02:48:46128.220.32.x/245723 (JHU)usa (United States)norewrittenblocked/16Report

All results shown
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