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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
3214582017-09-22 20:12:3484.245.27.x/2425596 (CAMBRIUM-AS)nld (Netherlands)yesblockedblockednoneReport
3214472017-09-22 19:33:3689.99.32.x/246830 (LibertyGlobal)nld (Netherlands)yesrewrittenrewrittennoneReport
3214292017-09-22 18:51:0084.245.27.x/2425596 (CAMBRIUM-AS)nld (Netherlands)yesblockedblockednoneReport
3214112017-09-22 17:59:04217.101.247.x/249143 (ZIGGO)nld (Netherlands)yesblockedblockednoneReport
3212582017-09-22 12:46:4293.92.31.x/2457795 (NGNETWORKS)nld (Netherlands)yesunknownunknownnoneReport
3212062017-09-22 11:18:02195.169.181.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
3212052017-09-22 11:11:3880.100.158.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3212032017-09-22 11:08:29145.94.193.x/241128 (TUDELFT-NL)nld (Netherlands)noblockedblockednoneReport
3211252017-09-22 08:19:41145.94.180.x/241128 (TUDELFT-NL)nld (Netherlands)yesblockedblockednoneReport
3207982017-09-21 19:49:2780.100.46.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3207752017-09-21 19:03:2583.85.213.x/249143 (ZIGGO)nld (Netherlands)yesrewrittenrewrittennoneReport
3207752017-09-21 19:03:252001:470:1fxx::/406939 (HURRICANE)nld (Netherlands)noblockedblocked/64Report
3206752017-09-21 15:44:4480.100.158.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3206132017-09-21 13:41:0182.95.141.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3206132017-09-21 13:41:012001:980:22xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblockednoneReport
3206102017-09-21 13:33:4462.140.137.x/2415480 (VFNL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
3205392017-09-21 10:59:02185.49.140.x/24199664nld (Netherlands)noblockedblocked/22Report
3205392017-09-21 10:59:022a04:b900:xx::/40199664nld (Netherlands)noblockedblocked/32Report
3204912017-09-21 08:50:04130.89.30.x/241133 (UTWENTE-AS)nld (Netherlands)noblockedblocked/16Report
3204912017-09-21 08:50:042001:67c:25xx::/401133 (UTWENTE-AS)nld (Netherlands)noblockedblocked/48Report
3204832017-09-21 08:30:2980.100.158.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3204802017-09-21 08:25:3780.100.158.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3204362017-09-21 06:56:27131.180.220.x/241128 (TUDELFT-NL)nld (Netherlands)noblockedblocked/23Report
3204342017-09-21 06:46:31213.127.106.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3204342017-09-21 06:46:312a02:a210:2axx::/406830 (LibertyGlobal)nld (Netherlands)noblockedblocked/104Report
3202822017-09-20 23:27:305.62.39.x/24198605 (AVAST-AS-DC)nld (Netherlands)yesunknownunknownnoneReport
3202342017-09-20 21:52:02213.127.115.x/246830 (LibertyGlobal)nld (Netherlands)yesunknownunknownnoneReport
3202312017-09-20 21:34:26217.117.232.x/2416281 (UTELISYS)nld (Netherlands)yesunknownreceived/20Report
3202192017-09-20 21:06:4182.95.208.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3202192017-09-20 21:06:412001:980:89xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblockednoneReport
3202092017-09-20 20:40:5682.95.208.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3201782017-09-20 19:21:0084.245.27.x/2425596 (CAMBRIUM-AS)nld (Netherlands)yesblockedblockednoneReport
3201472017-09-20 18:07:2282.95.141.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3201472017-09-20 18:07:222001:980:22xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblocked/64Report
3201462017-09-20 18:07:0780.101.42.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3201462017-09-20 18:07:072001:980:25xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblocked/48Report
3201422017-09-20 17:56:2080.101.42.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3201422017-09-20 17:56:202001:980:25xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblocked/48Report
3201392017-09-20 17:53:4584.105.1.x/249143 (ZIGGO)nld (Netherlands)yesblockedblockednoneReport
3201362017-09-20 17:49:3380.101.42.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3201362017-09-20 17:49:332001:980:25xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblocked/48Report
3201302017-09-20 17:36:4280.101.42.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3201302017-09-20 17:36:422001:980:25xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblocked/48Report
3201062017-09-20 16:54:18195.241.119.x/245615 (TISNL-BACKBONE)nld (Netherlands)yesrewrittenrewrittennoneReport
3201032017-09-20 16:46:46195.241.119.x/245615 (TISNL-BACKBONE)nld (Netherlands)yesrewrittenrewrittennoneReport
3199402017-09-20 12:33:26217.117.233.x/2416281 (UTELISYS)nld (Netherlands)yesunknownunknownnoneReport
3199402017-09-20 12:33:262a03:a980:xx::/4016281 (UTELISYS)nld (Netherlands)nounknownunknownnoneReport
3199042017-09-20 11:13:41145.94.193.x/241128 (TUDELFT-NL)nld (Netherlands)noblockedblockednoneReport
3198812017-09-20 10:26:23145.118.87.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3198682017-09-20 09:46:33217.100.77.x/249143 (ZIGGO)nld (Netherlands)yesunknownunknownnoneReport
3198502017-09-20 09:13:1382.168.8.x/245615 (TISNL-BACKBONE)nld (Netherlands)yesrewrittenrewrittennoneReport
3198382017-09-20 08:51:33130.89.91.x/241133 (UTWENTE-AS)nld (Netherlands)noblockedblockednoneReport
3198382017-09-20 08:51:332001:67c:25xx::/401133 (UTWENTE-AS)nld (Netherlands)noblockedblocked/48Report
3198002017-09-20 06:49:24145.131.174.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesunknownunknownnoneReport
3196132017-09-19 22:42:39213.127.115.x/246830 (LibertyGlobal)nld (Netherlands)yesunknownunknownnoneReport
3195112017-09-19 18:41:4185.145.222.x/2450266 (tmobile-thuis)nld (Netherlands)yesblockedblockednoneReport
3194362017-09-19 16:36:53213.152.165.x/2449453 (GLOBALLAYER)nld (Netherlands)noblockedreceived/8Report
3193382017-09-19 14:04:56145.107.146.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3193102017-09-19 13:14:0883.81.151.x/249143 (ZIGGO)nld (Netherlands)yesrewrittenrewrittennoneReport
3191912017-09-19 09:09:28185.49.140.x/24199664nld (Netherlands)nounknownunknownnoneReport
3191912017-09-19 09:09:282a04:b900:xx::/40199664nld (Netherlands)noblockedblockednoneReport
3191882017-09-19 08:58:4589.99.130.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3191402017-09-19 07:19:39192.87.160.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/23Report
3191342017-09-19 06:57:13141.105.146.x/2457124 (GM-AS)nld (Netherlands)yesunknownunknownnoneReport
3189932017-09-19 00:43:44217.117.233.x/2416281 (UTELISYS)nld (Netherlands)yesblockedblockednoneReport
3187542017-09-18 15:12:4889.200.44.x/248737 (PT)nld (Netherlands)yesrewrittenrewrittennoneReport
3186322017-09-18 11:20:51145.120.189.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblockednoneReport
3186192017-09-18 10:48:24217.117.233.x/2416281 (UTELISYS)nld (Netherlands)yesblockedblockednoneReport
3186042017-09-18 10:20:55145.100.72.x/241103 (SURFNET-NL)nld (Netherlands)yesunknownunknownnoneReport
3185932017-09-18 09:54:50188.166.11.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)yesrewrittenrewrittennoneReport
3185642017-09-18 08:52:44145.107.147.x/241103 (SURFNET-NL)nld (Netherlands)nounknownunknownnoneReport
3185172017-09-18 06:48:54193.0.21.x/243333 (RIPE-NCC-AS)nld (Netherlands)nounknownunknownnoneReport
3185172017-09-18 06:48:542001:67c:2xx::/403333 (RIPE-NCC-AS)nld (Netherlands)nounknownunknownnoneReport
3185142017-09-18 06:38:4591.227.27.x/2420844 (AS-3DFASHION)nld (Netherlands)yesblockedblockednoneReport
3184962017-09-18 05:41:0085.113.226.x/2412871 (NL-CONCEPTS)nld (Netherlands)yesrewrittenrewrittennoneReport
3183302017-09-17 21:30:1889.99.32.x/246830 (LibertyGlobal)nld (Netherlands)yesrewrittenrewrittennoneReport
3183172017-09-17 20:45:05154.59.111.x/24174 (COGENT-174)nld (Netherlands)yesblockedblockednoneReport
3182312017-09-17 16:55:07213.127.115.x/246830 (LibertyGlobal)nld (Netherlands)yesunknownunknownnoneReport
3181932017-09-17 15:06:5889.99.130.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3181492017-09-17 13:20:1981.205.239.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
3181492017-09-17 13:20:192a02:a443:c8xx::/401136 (KPN)nld (Netherlands)noblockedblocked/48Report
3181482017-09-17 13:03:3080.114.173.x/249143 (ZIGGO)nld (Netherlands)yesrewrittenrewrittennoneReport
3181472017-09-17 13:03:0092.110.203.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3181072017-09-17 10:48:5331.161.190.x/248737 (PT)nld (Netherlands)yesrewrittenrewrittennoneReport
3181002017-09-17 10:33:2489.99.32.x/246830 (LibertyGlobal)nld (Netherlands)yesrewrittenrewrittennoneReport
3180202017-09-17 06:47:12128.199.49.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
3180182017-09-17 06:47:11178.62.207.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
3180122017-09-17 06:47:0895.85.4.x/244209010000nld (Netherlands)noblockedblockednoneReport
3180112017-09-17 06:47:07198.211.123.x/244209010000nld (Netherlands)noblockedblockednoneReport
3179612017-09-17 04:49:17176.56.236.x/24198203 (ASN-ROUTELABEL)nld (Netherlands)nounknownunknownnoneReport
3178462017-09-16 21:22:4477.250.234.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3176522017-09-16 15:04:4084.241.211.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
3174052017-09-16 06:17:1683.163.50.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3174052017-09-16 06:17:162001:980:57xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblocked/48Report
3172522017-09-15 23:24:4493.158.239.x/2460503 (FNXTEC)nld (Netherlands)noblockedblocked/22Report
3171012017-09-15 17:34:3582.95.141.x/243265 (XS4ALL-NL)nld (Netherlands)yesrewrittenrewrittennoneReport
3170732017-09-15 16:45:00217.101.247.x/249143 (ZIGGO)nld (Netherlands)yesblockedblockednoneReport
3170022017-09-15 14:45:28217.23.3.x/2449981 (WorldStream)nld (Netherlands)yesblockedblockednoneReport
3169362017-09-15 12:51:2862.112.9.x/2449981 (WorldStream)nld (Netherlands)yesblockedblockednoneReport
3168522017-09-15 10:03:39195.169.181.x/241103 (SURFNET-NL)nld (Netherlands)yesblockedblockednoneReport
3167882017-09-15 08:08:11212.78.195.x/2433915 (TNF-AS)nld (Netherlands)yesunknownunknownnoneReport
3167302017-09-15 06:47:3582.95.196.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3167062017-09-15 05:57:4884.105.1.x/249143 (ZIGGO)nld (Netherlands)yesblockedblockednoneReport
3164372017-09-14 21:14:3682.168.8.x/245615 (TISNL-BACKBONE)nld (Netherlands)yesrewrittenrewrittennoneReport
3164022017-09-14 20:28:28193.173.216.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
3162952017-09-14 17:44:3780.100.46.x/243265 (XS4ALL-NL)nld (Netherlands)yesblockedblockednoneReport
3162952017-09-14 17:44:372001:980:91xx::/403265 (XS4ALL-NL)nld (Netherlands)noblockedblockednoneReport
3162842017-09-14 17:12:50217.101.247.x/249143 (ZIGGO)nld (Netherlands)yesblockedblockednoneReport
3162542017-09-14 16:22:44145.94.181.x/241128 (TUDELFT-NL)nld (Netherlands)yesblockedblockednoneReport
3160412017-09-14 09:31:36212.78.195.x/2433915 (TNF-AS)nld (Netherlands)yesunknownunknownnoneReport
3159812017-09-14 07:43:04130.89.27.x/241133 (UTWENTE-AS)nld (Netherlands)noblockedblocked/16Report
3159812017-09-14 07:43:042001:67c:25xx::/401133 (UTWENTE-AS)nld (Netherlands)noblockedblocked/48Report
3159232017-09-14 05:39:55213.127.63.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3159232017-09-14 05:39:552a02:a210:2axx::/406830 (LibertyGlobal)nld (Netherlands)noblockedblocked/96Report
3157072017-09-13 21:38:2189.99.32.x/246830 (LibertyGlobal)nld (Netherlands)yesrewrittenrewrittennoneReport
3156582017-09-13 19:55:02217.117.232.x/2416281 (UTELISYS)nld (Netherlands)yesunknownunknown/20Report
3156072017-09-13 18:30:07213.127.107.x/246830 (LibertyGlobal)nld (Netherlands)yesblockedblockednoneReport
3156072017-09-13 18:30:072a02:a210:2axx::/406830 (LibertyGlobal)nld (Netherlands)noblockedblocked/104Report
3156022017-09-13 18:30:0662.195.97.x/246830 (LibertyGlobal)nld (Netherlands)yesunknownunknownnoneReport
3155872017-09-13 18:14:3084.245.27.x/2425596 (CAMBRIUM-AS)nld (Netherlands)yesblockedblockednoneReport
3155852017-09-13 18:12:2284.105.1.x/249143 (ZIGGO)nld (Netherlands)yesblockedblockednoneReport

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