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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
18376542024-10-02 00:41:0565.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
18339222024-09-24 23:34:3765.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
18244012024-09-06 13:16:4165.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
18199542024-08-28 22:12:4965.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
18150662024-08-19 13:04:4865.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
18092772024-08-07 19:24:1965.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
18016732024-07-23 16:29:5165.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17938182024-07-09 13:08:1365.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17857012024-06-24 17:05:2665.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17816972024-06-17 15:59:0665.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17719092024-05-30 19:21:2265.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17680352024-05-23 18:15:0765.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17650452024-05-17 21:43:4165.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17615532024-05-10 20:37:2165.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17476132024-04-12 21:48:3065.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17464832024-04-10 23:49:1465.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17325862024-03-13 18:17:1365.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17302502024-03-08 18:59:4365.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17228092024-02-23 15:37:5765.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17193782024-02-16 14:31:4265.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport
17160632024-02-09 16:08:5165.255.134.x/2410750 (MARK-TWAIN)usa (United States)yesblockedblockednoneReport

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