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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
4407602018-04-06 07:38:472001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4402132018-04-05 11:07:312001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4402072018-04-05 11:00:452001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4401412018-04-05 09:00:302001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4401332018-04-05 08:35:212001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4400932018-04-05 07:02:032001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4387502018-04-03 07:49:092001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4387452018-04-03 07:36:182001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4360412018-03-29 08:59:242001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4359992018-03-29 07:28:222001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4353902018-03-28 08:56:012001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4353332018-03-28 06:47:082001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4347382018-03-27 08:32:072001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4347052018-03-27 07:23:182001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4340172018-03-26 07:01:172001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4340092018-03-26 06:44:252001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4318922018-03-22 08:38:242001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4304972018-03-20 08:17:532001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4304922018-03-20 08:09:002001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4267422018-03-14 08:07:152001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4261222018-03-13 11:42:252001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4260232018-03-13 08:15:462001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4255372018-03-12 13:57:122001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4253582018-03-12 07:56:512001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4231592018-03-08 09:36:472001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4225412018-03-07 10:11:412001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4225042018-03-07 08:24:162001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4170702018-02-26 08:14:212001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4155332018-02-23 09:39:252001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4155202018-02-23 09:10:342001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4150102018-02-22 12:22:402001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4149142018-02-22 08:35:492001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4142882018-02-21 08:31:482001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4136322018-02-20 08:19:432001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4136222018-02-20 08:08:552001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4131142018-02-19 12:16:332001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4130242018-02-19 08:24:432001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/56Report
4114952018-02-16 08:32:072001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4114812018-02-16 08:12:122001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4108812018-02-15 09:39:392001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4108492018-02-15 08:28:492001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4102462018-02-14 10:13:372001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4101942018-02-14 08:34:372001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
4095262018-02-13 08:08:332001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4089582018-02-12 12:16:582001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4088552018-02-12 08:21:582001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4071682018-02-09 08:04:182001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
4065672018-02-08 08:26:502001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
3919282018-01-16 09:04:232001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
3734692017-12-15 13:11:412001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
3665292017-12-05 09:18:592001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
3613462017-11-27 14:30:522001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
2538452017-06-21 13:12:052001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblocked/48Report
1608542017-03-08 14:09:402001:610:5xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport

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