Logo

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
16446922023-09-25 09:39:28145.33.101.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
16442822023-09-24 08:46:58145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16425932023-09-21 08:51:23145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16414762023-09-19 12:35:01145.33.101.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
16375702023-09-12 11:02:09145.37.235.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
16365432023-09-10 08:45:58145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16351742023-09-07 09:46:38145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16344802023-09-06 01:48:08145.90.222.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/19Report
16315172023-08-31 08:39:51145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16255412023-08-20 10:35:24145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16213282023-08-12 15:15:19145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16213212023-08-12 14:52:33145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16212222023-08-12 10:35:42145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16194522023-08-09 08:09:27145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16194452023-08-09 07:58:50145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16107972023-07-23 08:26:37145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16049602023-07-12 06:54:22145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16049562023-07-12 06:44:40145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16022572023-07-07 06:36:38145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15995162023-07-02 09:15:29145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15952422023-06-23 16:38:43145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15910302023-06-15 10:33:23145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15874652023-06-08 08:21:46145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15874552023-06-08 07:59:51145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15802002023-05-25 09:29:37145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15707902023-05-07 09:32:10145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15604402023-04-16 08:12:51145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15532362023-04-02 11:20:22145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15495652023-03-26 10:13:33145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15441692023-03-16 10:43:28145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
15407992023-03-10 11:01:56145.90.231.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
15407992023-03-10 11:01:562001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
15402182023-03-09 09:36:36145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
14555382022-10-12 07:09:47145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
14522862022-10-06 11:59:35145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
14521962022-10-06 08:35:26145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
14521802022-10-06 07:58:42145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
14482462022-09-29 06:51:29145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
14445172022-09-21 08:09:40145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13921152022-06-29 08:11:32145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13862072022-06-22 07:05:21145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13818012022-06-14 08:51:32145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13769312022-06-07 07:08:10145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13726412022-05-30 08:04:23145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13664702022-05-18 08:00:09145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13611342022-05-10 07:38:06145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13479182022-04-13 12:08:16145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13423832022-04-06 11:02:02145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13343522022-03-25 07:58:16145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13208172022-03-07 10:28:41145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13139252022-02-22 09:24:15145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13101722022-02-15 08:18:06145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
13029142022-02-07 13:18:08145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12990782022-01-31 12:10:23145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12953812022-01-24 11:04:13145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12915972022-01-17 09:13:38145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12700562021-12-15 12:28:08145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12651932021-12-07 10:59:53145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12610862021-11-30 09:53:30145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12548342021-11-23 08:47:38145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12510052021-11-16 07:41:17145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12466002021-11-08 12:20:13145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12385252021-10-25 08:07:56145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12356432021-10-20 14:50:33145.101.20.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12323662021-10-15 07:52:14145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12306792021-10-12 22:06:54145.90.228.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12306792021-10-12 22:06:542001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12280302021-10-08 06:45:53145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12262042021-10-05 09:58:20145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12257682021-10-04 17:02:02145.101.22.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12224262021-09-29 07:08:18145.89.76.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12210632021-09-27 10:03:16145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
12206972021-09-26 16:12:37145.90.228.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12206972021-09-26 16:12:372001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12170422021-09-20 08:16:38145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
12156522021-09-17 09:21:30145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
12146202021-09-15 14:49:44145.101.20.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12145202021-09-15 11:51:13145.89.79.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
12131802021-09-13 08:12:26145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
12105702021-09-08 10:59:59145.118.160.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
12105682021-09-08 10:44:10145.89.77.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
11602812021-06-13 15:04:57145.90.228.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
11602812021-06-13 15:04:572001:610:4xx::/401103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
11566092021-06-07 08:05:11192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11463972021-05-20 07:49:01192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11406522021-05-11 07:11:09192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11266682021-04-20 06:55:16192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11183642021-04-06 13:21:49192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11142012021-03-30 12:44:27192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11106452021-03-24 09:15:48192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11106172021-03-24 08:28:08192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
11017992021-03-10 10:33:08192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10970772021-03-03 09:26:53192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10889872021-02-19 11:52:54192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownblockednoneReport
10880222021-02-18 12:39:16192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10880122021-02-18 12:24:15192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10802232021-02-10 15:21:26192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10756682021-02-03 14:15:16192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10712772021-01-27 12:22:45192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10668002021-01-20 11:16:29192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10614612021-01-12 08:04:04192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10433852020-12-09 11:45:59192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10348452020-11-25 11:52:49192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
10249302020-11-11 08:13:37192.87.6.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport

Next 100
Last Modified