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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
19361812025-03-30 06:55:1598.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19322342025-03-23 05:47:4398.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19283512025-03-16 04:39:4498.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19239752025-03-09 03:32:1698.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19198932025-03-02 02:25:4498.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19154882025-02-23 01:19:0098.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19144402025-02-20 22:00:4898.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19105362025-02-13 20:52:5498.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19065692025-02-06 19:44:5898.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19025542025-01-30 18:37:2598.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
19017782025-01-29 12:30:0398.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18979352025-01-22 11:22:3298.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18938452025-01-15 10:14:4198.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18892132025-01-06 08:32:5798.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18858622024-12-30 07:26:0898.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18826302024-12-23 06:19:2098.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18787722024-12-16 05:12:3398.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
18748192024-12-09 04:06:3098.38.237.x/247922 (COMCAST-7922)usa (United States)yesunknownrewrittennoneReport
18708442024-12-02 02:59:4598.38.237.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport

All results shown
Last Modified 04/03/2025 18:36:41