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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
18123472024-08-13 20:37:34181.193.104.x/2411830cri (Costa Rica)yesblockedreceived/8Report
18121322024-08-13 14:40:48181.193.104.x/2411830cri (Costa Rica)yesblockedreceived/8Report
7228102019-07-26 16:36:06201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
7090782019-07-03 20:14:33201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
7003692019-06-18 16:17:48201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
6940802019-06-07 16:42:19201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
6754622019-05-07 16:06:52201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
6630592019-04-16 16:14:29201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
5761522018-11-21 20:37:40201.205.227.x/2411830cri (Costa Rica)yesrewrittenreceivednoneReport
5587012018-10-23 15:41:40201.204.197.x/2411830cri (Costa Rica)noblockedreceived/8Report
3690432017-12-08 21:04:05201.204.200.x/2411830cri (Costa Rica)yesunknownreceived/8Report
3637322017-11-30 21:34:57201.204.200.x/2411830cri (Costa Rica)yesunknownreceived/8Report
3426072017-10-27 15:19:49201.203.110.x/2411830cri (Costa Rica)yesblockedreceived/8Report
3110322017-09-06 20:09:54201.197.148.x/2411830cri (Costa Rica)yesblockedreceived/8Report

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