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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
20723342025-12-03 00:44:3081.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20683982025-11-26 02:07:2681.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20645252025-11-19 00:47:2881.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20604682025-11-11 23:27:3781.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20550852025-10-28 19:51:1181.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20509532025-10-21 18:31:1581.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20467252025-10-14 17:11:1381.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20428072025-10-07 15:51:2181.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20390892025-09-30 14:31:2781.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20349092025-09-23 13:11:3081.138.3.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport

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