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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
20337282025-09-21 11:54:2931.177.40.x/2456550 (STELCORE)ita (Italy)yesblockedblockednoneReport
17096862024-01-28 09:25:2031.177.40.x/2456550 (STELCORE)ita (Italy)yesblockedblockednoneReport
16152522023-08-01 07:33:3531.177.40.x/2456550 (STELCORE)ita (Italy)yesreceivedreceived/8Report
10758302021-02-03 17:50:3931.177.41.x/2456550 (STELCORE)ita (Italy)yesrewrittenrewrittennoneReport
10734322021-01-30 21:21:2031.177.41.x/2456550 (STELCORE)ita (Italy)yesrewrittenrewrittennoneReport
10734212021-01-30 20:45:1831.177.41.x/2456550 (STELCORE)ita (Italy)yesrewrittenrewrittennoneReport
10685792021-01-22 21:51:2831.177.41.x/2456550 (STELCORE)ita (Italy)yesrewrittenrewrittennoneReport
10685362021-01-22 20:38:0031.177.41.x/2456550 (STELCORE)ita (Italy)yesrewrittenrewrittennoneReport
10685322021-01-22 20:35:4931.177.41.x/2456550 (STELCORE)ita (Italy)yesrewrittenrewrittennoneReport

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