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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
8196582020-01-07 07:53:38131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
8190022020-01-06 08:12:42131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
8102502019-12-19 07:49:36131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
8083452019-12-16 08:21:23131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
8061532019-12-12 09:22:56131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
8016672019-12-05 08:16:20131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7995752019-12-02 09:42:42131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7971792019-11-28 08:24:45131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7958902019-11-26 07:58:21131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7937272019-11-22 08:28:28131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7916282019-11-19 10:38:21131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7870092019-11-12 09:31:44131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7822832019-11-04 14:59:07131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7782072019-10-28 17:49:10131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7761572019-10-25 07:20:42131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7735462019-10-21 12:23:47131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7690752019-10-14 11:17:13131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7644872019-10-07 07:45:13131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7579922019-09-26 14:06:52131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7538032019-09-19 13:00:15131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7521382019-09-17 06:52:34131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7471582019-09-09 07:10:16131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7284972019-08-06 08:05:03131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7245842019-07-30 06:58:25131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7220042019-07-25 09:21:37131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7178992019-07-18 08:15:04131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7136022019-07-11 07:08:29131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7122182019-07-09 11:39:15131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7080312019-07-02 10:32:33131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7040462019-06-25 09:25:27131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
7001342019-06-18 08:08:36131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
6959072019-06-11 07:02:06131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
6851632019-05-23 13:05:21131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
6794992019-05-14 14:54:58131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
6744762019-05-06 07:10:41131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
6691092019-04-26 15:20:20131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4765972018-06-01 07:06:33131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4745762018-05-29 08:04:04131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4701542018-05-22 06:57:09131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4656482018-05-15 09:26:01131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4649292018-05-14 09:28:54131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4602682018-05-07 08:21:58131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4602162018-05-07 06:59:05131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4555992018-04-30 07:15:06131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4476212018-04-17 14:04:13131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4431262018-04-10 12:57:19131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4388472018-04-03 11:50:25131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4361852018-03-29 14:17:18131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4340182018-03-26 07:01:33131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4240122018-03-09 17:07:40131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4231722018-03-08 10:11:46131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4213022018-03-05 08:17:50131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4149192018-02-22 08:42:37131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4096062018-02-13 11:06:49131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4053632018-02-06 09:32:23131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
4024412018-02-01 10:06:29131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3979582018-01-25 08:44:15131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3958612018-01-22 08:14:20131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3943512018-01-19 15:39:09131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3934752018-01-18 12:21:56131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3890642018-01-11 11:14:57131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3845872018-01-04 09:33:28131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3752352017-12-18 11:50:40131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3704842017-12-11 10:43:43131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3658392017-12-04 09:36:45131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3597172017-11-24 14:47:35131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3556572017-11-17 13:40:30131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3526812017-11-13 11:13:05131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3483592017-11-06 09:30:34131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3440882017-10-30 08:22:07131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3398272017-10-23 07:15:10131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3398252017-10-23 07:08:12131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3309172017-10-09 10:18:05131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3266882017-10-02 09:10:34131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3229172017-09-25 07:54:29131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3138822017-09-11 11:41:27131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3093552017-09-04 09:55:14131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3093222017-09-04 08:26:27131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3050402017-08-28 07:04:42131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2835682017-07-27 14:38:48131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2778172017-07-20 10:55:13131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2727622017-07-14 07:04:07131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2719382017-07-13 09:48:16131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2662472017-07-06 08:41:19131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2602162017-06-29 06:55:28131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2528732017-06-20 10:27:06131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2518202017-06-19 08:38:56131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2455002017-06-12 07:28:58131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2334982017-05-29 07:05:05131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
2235692017-05-18 07:12:58131.211.221.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport

All results shown
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