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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
20618482025-11-14 02:11:4686.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20618332025-11-14 01:30:0786.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20618272025-11-14 01:08:2786.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20618252025-11-14 00:56:4886.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
20563762025-10-31 00:07:4786.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
19540722025-05-03 02:40:1886.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport
18640862024-11-19 23:54:5686.161.40.x/242856 (BT-UK-AS)gbr (United Kingdom)yesrewrittenrewrittennoneReport

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