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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
18609352024-11-14 10:31:36145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18570402024-11-07 09:16:29145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18473382024-10-20 13:24:09145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18435592024-10-13 12:16:57145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18399042024-10-06 11:09:56145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18365592024-09-30 07:12:11145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18325502024-09-22 10:13:34145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18289962024-09-15 08:50:48145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18274972024-09-12 10:05:29145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18237512024-09-05 08:42:23145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18216402024-09-01 13:40:43145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18181282024-08-25 12:33:47145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18181032024-08-25 11:09:59145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18144052024-08-17 19:17:22145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18142252024-08-17 09:06:14145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18119702024-08-13 08:18:39145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18066492024-08-02 11:00:53145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
18065732024-08-02 07:33:49145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17927352024-07-07 09:10:46145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17873052024-06-27 08:40:40145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17810152024-06-16 09:16:12145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17793492024-06-13 09:00:10145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17754372024-06-06 07:53:09145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17693122024-05-26 08:16:32145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17677622024-05-23 09:24:26145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17641592024-05-16 08:17:23145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17562332024-04-30 06:31:20145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17536262024-04-25 09:09:06145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17536152024-04-25 08:46:52145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17536122024-04-25 08:34:39145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17466842024-04-11 09:31:25145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17430622024-04-04 08:15:55145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17363062024-03-21 10:41:56145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17329162024-03-14 09:35:29145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17273032024-03-03 10:06:09145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17258532024-02-29 09:37:17145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17210492024-02-20 08:17:46145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17210152024-02-20 06:27:17145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17168752024-02-11 09:54:23145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17154362024-02-08 11:19:41145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17117452024-02-01 09:12:27145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17070232024-01-23 07:58:18145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17026052024-01-14 09:04:59145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
17010712024-01-11 09:42:25145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16887942023-12-17 10:31:33145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16872672023-12-14 11:00:48145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16835562023-12-07 09:53:53145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16739062023-11-19 15:21:23145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16738412023-11-19 12:31:07145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16702492023-11-12 13:57:55145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16686832023-11-09 10:24:32145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16649162023-11-02 09:17:15145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16616982023-10-27 11:14:15145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16579462023-10-20 11:45:08145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16579282023-10-20 11:08:14145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16536972023-10-12 09:20:33145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
16498112023-10-05 08:41:45145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
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
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
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
15402182023-03-09 09:36:36145.103.249.x/241103 (SURFNET-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
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

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