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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
21122252026-02-12 18:03:1747.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
21080062026-02-05 16:56:0047.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
21039392026-01-29 15:48:5247.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20999142026-01-22 14:41:3447.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20978942026-01-19 11:58:5147.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20937542026-01-12 10:51:5947.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20897792026-01-05 09:45:0947.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20864372025-12-29 08:38:2047.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20831712025-12-22 07:31:2747.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20799512025-12-16 10:33:0447.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20757122025-12-09 09:24:4347.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20741142025-12-06 07:41:2447.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20718642025-12-02 08:17:1547.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20679252025-11-25 07:09:4147.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport
20661752025-11-21 18:44:0747.200.247.x/245650 (FRONTIER-FRTR)usa (United States)yesunknownunknownnoneReport

All results shown
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