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
4694812018-05-21 09:36:02145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4648972018-05-14 08:29:35145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4602342018-05-07 07:22:59145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4518802018-04-24 08:07:01145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4474282018-04-17 07:00:31145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4425242018-04-09 13:58:08145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4382002018-04-02 12:51:29145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4341512018-03-26 11:45:01145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4299212018-03-19 10:38:29145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4253992018-03-12 09:32:00145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4213072018-03-05 08:25:34145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4136272018-02-20 08:14:13145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4088582018-02-12 08:26:56145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
4031902018-02-02 12:39:54145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3986682018-01-26 10:53:31145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3941812018-01-19 09:32:06145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3913512018-01-15 09:09:01145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3868632018-01-08 08:01:52145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3758472017-12-19 11:36:04145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3711772017-12-12 09:45:12145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3665082017-12-05 08:34:05145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3613012017-11-27 13:31:12145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3573332017-11-20 12:24:24145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3526832017-11-13 11:17:34145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3483802017-11-06 10:10:48145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3441022017-10-30 09:02:30145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3354612017-10-16 14:50:54145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
3310092017-10-09 13:41:08145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3267822017-10-02 12:34:23145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3229982017-09-25 11:27:40145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3186042017-09-18 10:20:55145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3138342017-09-11 09:08:00145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3093122017-09-04 08:01:13145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3050322017-08-28 06:53:45145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2701542017-07-11 13:52:09145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2646442017-07-04 12:43:12145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2585682017-06-27 11:25:04145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2528632017-06-20 10:14:53145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2464862017-06-13 09:08:12145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2406552017-06-06 08:01:19145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2334922017-05-29 06:59:14145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2236852017-05-18 09:55:22145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2165302017-05-11 08:48:33145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
2091082017-05-04 07:40:16145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
1882192017-04-14 09:25:10145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport

All results shown
Last Modified