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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
19386632025-04-03 16:38:27166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19370122025-03-31 20:57:11166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19365892025-03-31 07:00:47166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19363002025-03-30 14:04:38166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19249382025-03-10 16:53:11166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19249332025-03-10 16:38:11166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19248732025-03-10 14:34:33166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19248262025-03-10 13:34:10166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport
19129652025-02-18 13:54:11166.137.83.x/2420057 (ATT-MOBILITY-LLC-AS20057)usa (United States)yesunknownunknownnoneReport

All results shown
Last Modified 04/05/2025 12:31:53