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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
12240842021-10-01 15:24:512001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
11851792021-07-24 14:46:592001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11642892021-06-19 10:55:272001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11642862021-06-19 10:42:392001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11473172021-05-21 18:47:502001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11390252021-05-08 08:28:542001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
11348562021-05-01 08:17:292001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
11210722021-04-10 11:34:502001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
11038042021-03-13 09:16:212001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
10828802021-02-13 10:05:172001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
10828572021-02-13 09:22:332001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
10828402021-02-13 08:59:482001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
10828302021-02-13 08:47:062001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
10639742021-01-15 19:09:492001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/96Report
10221742020-11-06 20:01:342001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
9805992020-09-12 08:32:012001:1c00:12xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report

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