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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
17077782024-01-24 17:05:202001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
15407992023-03-10 11:01:562001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12306792021-10-12 22:06:542001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12206972021-09-26 16:12:372001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
11602812021-06-13 15:04:572001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
8837072020-04-24 17:28:182001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
8412402020-02-13 19:03:032001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
8409502020-02-13 08:49:402001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
8406952020-02-12 21:44:282001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
7940542019-11-22 18:13:012001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
5244542018-08-25 12:02:392001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
5153482018-08-08 20:13:492001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
5146802018-08-07 18:02:412001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
5143472018-08-07 06:45:232001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
4992772018-07-10 14:15:252001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
4992612018-07-10 13:58:362001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
4680132018-05-18 16:25:042001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
4676712018-05-18 07:01:212001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
4325332018-03-23 08:23:522001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport

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