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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
19374912025-04-01 17:47:54201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report
19189332025-02-28 11:05:20201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report
19143782025-02-20 19:53:29201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report
19104712025-02-13 18:45:27201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report
19064792025-02-06 17:37:24201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report
19024252025-01-30 14:59:37201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report
18985972025-01-23 13:51:23201.131.172.x/2461842bra (Brazil)yesreceivedreceived/8Report

All results shown
Last Modified 04/12/2025 19:04:25