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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
20934512026-01-11 19:22:0485.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20934272026-01-11 18:10:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20895122026-01-04 19:22:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20895092026-01-04 19:21:0085.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20877142025-12-31 07:17:0285.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20876972025-12-31 06:48:0285.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20876932025-12-31 06:41:0285.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20844382025-12-24 07:17:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20844242025-12-24 06:48:0285.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20844192025-12-24 06:41:0285.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20831152025-12-22 05:07:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20805952025-12-17 09:02:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20805492025-12-17 07:17:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20805372025-12-17 06:48:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20805342025-12-17 06:41:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
20763722025-12-10 09:02:0385.145.78.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport

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