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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
10429342020-12-08 19:25:1479.133.19.x/243238 (ALCOM)ala (�land Islands)yesunknownrewrittennoneReport
7615142019-10-02 06:52:11213.204.46.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
4610462018-05-08 10:42:1682.199.176.x/243238 (ALCOM)ala (�land Islands)yesblockedblockednoneReport
4610462018-05-08 10:42:162a00:5500:20xx::/403238 (ALCOM)ala (�land Islands)yesblockedblockednoneReport
1290292017-01-14 12:17:58213.204.36.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1235522017-01-05 17:28:35213.204.36.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1179302016-12-26 08:56:39212.17.162.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1177342016-12-25 19:37:20212.17.162.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1176932016-12-25 17:14:11212.17.162.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1162612016-12-22 19:30:41213.204.36.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1128262016-12-16 21:42:16213.204.36.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport
1119552016-12-15 15:56:41213.204.36.x/243238 (ALCOM)ala (�land Islands)yesblockedblockednoneReport
1113492016-12-14 19:36:43213.204.36.x/243238 (ALCOM)ala (�land Islands)yesblockedblockednoneReport
1071492016-12-08 17:21:04213.204.36.x/243238 (ALCOM)ala (�land Islands)yesblockedblockednoneReport
1021872016-11-30 19:30:15213.204.36.x/243238 (ALCOM)ala (�land Islands)yesblockedblockednoneReport
940632016-11-17 22:28:30213.204.49.x/243238 (ALCOM)ala (�land Islands)yesrewrittenrewrittennoneReport

All results shown
Last Modified 04/15/2025 17:24:56