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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
19497852025-04-25 02:00:0494.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19497832025-04-25 02:00:0345.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19496132025-04-24 19:02:3783.87.230.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19495342025-04-24 17:20:5562.45.36.x/2415435 (KABELFOON)nld (Netherlands)yesblockedblockednoneReport
19495342025-04-24 17:20:552001:4c3c:1axx::/4015435 (KABELFOON)nld (Netherlands)noblockedblocked/56Report
19495122025-04-24 16:44:0362.45.36.x/2415435 (KABELFOON)nld (Netherlands)yesblockedblockednoneReport
19495122025-04-24 16:44:032001:4c3c:1axx::/4015435 (KABELFOON)nld (Netherlands)noblockedblocked/56Report
19495052025-04-24 16:29:3891.132.41.x/24206238 (FREEDOMINTERNET)nld (Netherlands)yesrewrittenblocked/22Report
19495052025-04-24 16:29:382a10:3781:47xx::/40206238 (FREEDOMINTERNET)nld (Netherlands)noblockedblocked/32Report
19494432025-04-24 14:35:33185.40.99.x/24207176 (OPENFIBER)nld (Netherlands)yesrewrittenrewrittennoneReport
19494132025-04-24 13:52:50185.40.99.x/24207176 (OPENFIBER)nld (Netherlands)yesrewrittenrewrittennoneReport
19493822025-04-24 13:21:35188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19493372025-04-24 12:38:50188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19493212025-04-24 12:16:04188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19493122025-04-24 12:03:18188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19492652025-04-24 09:55:34188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19492622025-04-24 09:39:35188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19492552025-04-24 09:30:4781.204.76.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19492552025-04-24 09:30:472a02:a458:36xx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19492472025-04-24 08:56:53188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19492392025-04-24 08:34:11188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19492372025-04-24 08:21:24188.239.180.x/2428685 (ASN-ROUTIT)nld (Netherlands)yesblockedblockednoneReport
19492302025-04-24 07:51:3762.195.92.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19491302025-04-24 02:00:0394.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19491282025-04-24 02:00:0245.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19488612025-04-23 16:09:16130.89.170.x/241133 (UTWENTE-AS)nld (Netherlands)yesblockedblockednoneReport
19488612025-04-23 16:09:162002:8259:aaxx::/400nld (Netherlands)noblockedblocked/64Report
19488482025-04-23 15:35:5189.205.130.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19488372025-04-23 15:22:5589.205.130.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19488332025-04-23 15:15:28178.238.98.x/2439647 (REDHOSTING-AS)nld (Netherlands)yesblockedblockednoneReport
19488332025-04-23 15:15:282001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19488112025-04-23 14:40:56185.65.134.x/2439351 (ESAB-AS)nld (Netherlands)yesunknownunknownnoneReport
19486832025-04-23 11:18:54131.155.24.x/241161 (AS-TUE)nld (Netherlands)yesblockedblockednoneReport
19486822025-04-23 11:16:5477.248.164.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19486822025-04-23 11:16:542001:1c00:34xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/104Report
19486732025-04-23 11:01:55195.240.99.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19486682025-04-23 10:39:45185.177.139.x/24207176 (OPENFIBER)nld (Netherlands)yesrewrittenrewrittennoneReport
19486632025-04-23 10:34:59185.177.139.x/24207176 (OPENFIBER)nld (Netherlands)yesrewrittenrewrittennoneReport
19486372025-04-23 09:13:53143.177.138.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
19486182025-04-23 08:19:17185.53.90.x/243920 (IMS-RTFM)nld (Netherlands)noblockedblocked/23Report
19486182025-04-23 08:19:172a13:adc0:xx::/403920 (IMS-RTFM)nld (Netherlands)noblockedblocked/64Report
19486142025-04-23 08:12:06185.53.90.x/243920 (IMS-RTFM)nld (Netherlands)noblockedblocked/23Report
19486142025-04-23 08:12:062a13:adc0:xx::/403920 (IMS-RTFM)nld (Netherlands)noblockedblocked/48Report
19486082025-04-23 07:58:22185.53.90.x/243920 (IMS-RTFM)nld (Netherlands)noblockedblocked/23Report
19486082025-04-23 07:58:222a13:adc0:xx::/403920 (IMS-RTFM)nld (Netherlands)noblockedreceived/16Report
19485822025-04-23 06:48:51131.155.245.x/241161 (AS-TUE)nld (Netherlands)noblockedblocked/22Report
19485422025-04-23 04:20:08185.53.90.x/243920 (IMS-RTFM)nld (Netherlands)noblockedreceived/9Report
19485422025-04-23 04:20:082a13:adc0:xx::/403920 (IMS-RTFM)nld (Netherlands)noblockedreceived/16Report
19485222025-04-23 02:00:0494.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19485202025-04-23 02:00:0245.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19482952025-04-22 16:38:5031.149.178.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19482702025-04-22 15:33:3577.248.164.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19482702025-04-22 15:33:352001:1c00:34xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19482692025-04-22 15:28:502a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)noblockedblocked/32Report
19481282025-04-22 11:45:07185.138.56.x/2434766 (Layer23)nld (Netherlands)yesunknownunknownnoneReport
19480492025-04-22 09:31:5692.69.38.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19480492025-04-22 09:31:562a02:a420:2xx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19480242025-04-22 08:38:08131.155.202.x/241161 (AS-TUE)nld (Netherlands)noblockedblockednoneReport
19479992025-04-22 07:48:0089.205.138.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19479802025-04-22 06:58:35145.126.105.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19479802025-04-22 06:58:352001:67c:25xx::/401133 (UTWENTE-AS)nld (Netherlands)noblockedblocked/48Report
19479302025-04-22 03:34:582a04:8400:c1xx::/40207176 (OPENFIBER)nld (Netherlands)nounknownunknownnoneReport
19479212025-04-22 02:53:4391.201.164.x/2439637 (NETLOGICS-AS)nld (Netherlands)yesblockedblockednoneReport
19479102025-04-22 02:00:0494.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19479082025-04-22 02:00:0245.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19478712025-04-21 23:38:5184.85.184.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19478712025-04-21 23:38:512a02:a441:c0xx::/401136 (KPN)nld (Netherlands)noblockedblocked/48Report
19478512025-04-21 22:03:1645.148.170.x/24205668 (GREENMINIHOST)nld (Netherlands)noblockedblocked/25Report
19478322025-04-21 20:57:4489.205.138.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19478302025-04-21 20:44:4589.205.138.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19478092025-04-21 19:32:252a02:a464:81xx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19477892025-04-21 18:35:3689.205.131.x/2431615 (TMO-NL-AS)nld (Netherlands)yesblockedblockednoneReport
19477662025-04-21 17:37:4183.80.172.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19477512025-04-21 17:12:1983.80.172.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19476332025-04-21 12:51:4886.82.38.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19476332025-04-21 12:51:482a02:a449:5bxx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19476072025-04-21 11:48:21178.230.35.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19475612025-04-21 08:06:2877.63.1.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19475612025-04-21 08:06:282a02:a420:2xx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19475172025-04-21 05:09:03185.65.134.x/2439351 (ESAB-AS)nld (Netherlands)yesunknownunknownnoneReport
19474602025-04-21 02:00:0394.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19474582025-04-21 02:00:0245.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19473752025-04-20 20:17:2286.90.183.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19473752025-04-20 20:17:222a02:a44b:70xx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19473582025-04-20 19:24:03185.65.134.x/2439351 (ESAB-AS)nld (Netherlands)yesunknownunknownnoneReport
19472922025-04-20 14:09:55185.65.134.x/2439351 (ESAB-AS)nld (Netherlands)yesunknownunknownnoneReport
19471932025-04-20 07:17:4562.194.19.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19471932025-04-20 07:17:452001:1c00:95xx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/112Report
19471602025-04-20 06:47:05198.211.123.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19471552025-04-20 06:47:03146.185.152.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19471522025-04-20 06:47:02178.62.207.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19471052025-04-20 05:51:5177.171.131.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19471052025-04-20 05:51:512a02:a45f:bfxx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19470842025-04-20 05:19:02153.92.127.x/2463473 (HOSTHATCH)nld (Netherlands)nounknownunknownnoneReport
19470182025-04-20 02:00:0394.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19470172025-04-20 02:00:0245.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19469542025-04-19 21:21:04185.53.90.x/243920 (IMS-RTFM)nld (Netherlands)noblockedreceived/9Report
19469542025-04-19 21:21:042a13:adc0:xx::/403920 (IMS-RTFM)nld (Netherlands)noblockedreceived/16Report
19468872025-04-19 18:25:0437.139.22.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19468872025-04-19 18:25:042a03:b0c0:xx::/4014061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19468432025-04-19 16:48:57134.209.83.x/2414061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19468432025-04-19 16:48:572a03:b0c0:xx::/4014061 (DIGITALOCEAN-ASN)nld (Netherlands)noblockedblockednoneReport
19466452025-04-19 07:08:57185.65.134.x/2439351 (ESAB-AS)nld (Netherlands)yesunknownunknownnoneReport
19466442025-04-19 07:08:1877.165.53.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19465812025-04-19 02:00:0394.142.247.x/248283 (COLOCLUE-AS)nld (Netherlands)noblockedblockednoneReport
19465792025-04-19 02:00:0245.159.140.x/24212635 (AS212635)nld (Netherlands)noblockedblocked/22Report
19465342025-04-18 22:24:1682.170.112.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19465242025-04-18 21:51:5484.85.184.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19465242025-04-18 21:51:542a02:a441:c0xx::/401136 (KPN)nld (Netherlands)noblockedblocked/48Report
19465092025-04-18 21:14:2892.108.176.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19465022025-04-18 21:01:4092.108.176.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19464562025-04-18 18:34:3877.165.53.x/241136 (KPN)nld (Netherlands)yesblockedblockednoneReport
19464542025-04-18 18:34:02193.239.222.x/2435316 (PRODACOM-AS)nld (Netherlands)noblockedblocked/25Report
19464062025-04-18 15:53:2784.241.205.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19463822025-04-18 14:24:0685.145.33.x/2450266 (tmobile-thuis)nld (Netherlands)yesrewrittenrewrittennoneReport
19463322025-04-18 12:24:5589.205.130.x/2431615 (TMO-NL-AS)nld (Netherlands)yesblockedblockednoneReport
19463092025-04-18 11:25:42178.230.236.x/2431615 (TMO-NL-AS)nld (Netherlands)yesblockedblockednoneReport
19463072025-04-18 10:58:56217.105.46.x/2433915 (TNF-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19462912025-04-18 09:57:1184.104.46.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
19462912025-04-18 09:57:112001:1c04:2bxx::/4033915 (TNF-AS)nld (Netherlands)noblockedblocked/64Report
19462742025-04-18 08:41:11145.126.96.x/241103 (SURFNET-NL)nld (Netherlands)noblockedblocked/17Report
19462652025-04-18 08:12:14194.53.160.x/2461013 (Alliander-AS)nld (Netherlands)yesblockedblockednoneReport
19462622025-04-18 08:02:2077.63.27.x/241136 (KPN)nld (Netherlands)yesrewrittenrewrittennoneReport
19462622025-04-18 08:02:202a02:a420:2xx::/401136 (KPN)nld (Netherlands)noblockedblocked/64Report
19462612025-04-18 07:58:42217.105.46.x/2433915 (TNF-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
19462412025-04-18 06:16:5877.249.166.x/2433915 (TNF-AS)nld (Netherlands)yesrewrittenrewrittennoneReport

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