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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
8347492020-02-02 06:23:132001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
8322832020-01-29 05:44:042001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
8308912020-01-27 03:07:122001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
8267682020-01-20 02:00:502001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
8224652020-01-12 19:03:482001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
8152832019-12-29 15:12:192001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
8108892019-12-20 09:44:352001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
8104012019-12-19 13:50:192001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/88Report
7699572019-10-15 16:00:212001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
7615462019-10-02 07:36:002001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
7272862019-08-04 00:44:592001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
7234342019-07-27 23:38:372001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
7193212019-07-20 22:32:102001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
7178032019-07-18 03:30:422001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
7154312019-07-13 21:25:422001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/80Report
7107412019-07-06 20:19:142001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
6849102019-05-23 03:33:252001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
5982752018-12-31 02:41:302001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
5861242018-12-10 19:25:132001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
5860922018-12-10 18:20:092001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
5673662018-11-07 21:37:042001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
5620632018-10-29 17:18:492001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/72Report
5545922018-10-16 18:14:102001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
5501072018-10-09 17:07:422001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/56Report
5500972018-10-09 16:58:502001:1c00:10xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
5189532018-08-15 05:22:382001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4995002018-07-10 21:28:492001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4562922018-05-01 09:43:472001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4556192018-04-30 08:03:062001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4551872018-04-29 11:35:012001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4547772018-04-28 15:28:462001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4542602018-04-27 15:40:572001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4533182018-04-26 07:47:372001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4518562018-04-24 07:18:512001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4511892018-04-23 07:51:052001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4507242018-04-22 11:50:352001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4502352018-04-21 12:30:042001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4463202018-04-15 14:14:442001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4457992018-04-14 10:35:352001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4451162018-04-13 07:53:592001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4444612018-04-12 07:42:222001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4430482018-04-10 09:29:212001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4423372018-04-09 07:05:402001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4419222018-04-08 10:36:282001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4413452018-04-07 07:27:272001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4374202018-03-31 21:31:382001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4360022018-03-29 07:31:452001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4355652018-03-28 15:14:402001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4341012018-03-26 09:52:222001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4332002018-03-24 11:51:342001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4325892018-03-23 10:10:022001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4319762018-03-22 12:09:092001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
4275532018-03-15 11:02:262001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblockednoneReport
3961232018-01-22 18:41:542001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report
3871792018-01-08 18:21:052001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/64Report
3290752017-10-05 23:18:512001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/104Report
3252472017-09-28 18:10:062001:1c00:10xx::/409143 (ZIGGO)nld (Netherlands)noblockedblocked/56Report

All results shown
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