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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
16261282023-08-21 14:49:10185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16261042023-08-21 14:12:27195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16260332023-08-21 12:04:1881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16259212023-08-21 07:56:56185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16257122023-08-20 19:53:46212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16257122023-08-20 19:53:462a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16249172023-08-18 23:22:49185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16244332023-08-18 07:44:29185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16242552023-08-17 23:02:1877.48.28.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16233172023-08-16 09:21:2489.176.165.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16224572023-08-14 21:06:14185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16224112023-08-14 19:49:09185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16221782023-08-14 13:06:03195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16220922023-08-14 10:57:5581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16220752023-08-14 10:25:03185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16218312023-08-13 21:06:20194.15.113.x/24213354 (International-Hosting-Solutions-AS)cze (Czech Republic)noblockedblockednoneReport
16217922023-08-13 18:47:04212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16217922023-08-13 18:47:042a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16214612023-08-12 23:42:05185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16214222023-08-12 21:00:04185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16211812023-08-12 07:56:48185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16210102023-08-11 21:11:09185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16207802023-08-11 13:20:4995.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/24Report
16204162023-08-10 21:01:39185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16204032023-08-10 20:26:0189.24.52.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
16199852023-08-10 05:35:08185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16194212023-08-09 06:32:36185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16193992023-08-09 05:52:03185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16193902023-08-09 05:24:59212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16193702023-08-09 04:24:13213.220.248.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16193512023-08-09 02:58:45185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16193162023-08-09 01:22:35213.220.248.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16192892023-08-08 23:45:30185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16187502023-08-08 04:25:29185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16187202023-08-08 02:13:13185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16182732023-08-07 09:51:3081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16180482023-08-06 19:59:26194.15.113.x/24213354 (International-Hosting-Solutions-AS)cze (Czech Republic)noblockedblockednoneReport
16175422023-08-05 14:16:35185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16169702023-08-04 08:24:3495.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/24Report
16157682023-08-02 04:18:23212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16155752023-08-01 18:19:30193.142.203.x/24136787 (TEFINCOMSA-AS-AP)cze (Czech Republic)yesblockedblockednoneReport
16153022023-08-01 09:56:32185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16144252023-07-30 18:52:45194.15.113.x/24213354 (International-Hosting-Solutions-AS)cze (Czech Republic)noblockedblockednoneReport
16144142023-07-30 18:16:50212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16144142023-07-30 18:16:502a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16143882023-07-30 16:24:08212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16143882023-07-30 16:24:082a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16134032023-07-28 13:06:53195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16130132023-07-27 17:29:4395.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/24Report
16121822023-07-26 04:24:3246.135.17.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16120622023-07-25 21:36:43212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16120622023-07-25 21:36:432a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16120162023-07-25 19:36:08212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16111572023-07-24 08:23:54185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16109452023-07-23 17:46:01194.15.113.x/24213354 (International-Hosting-Solutions-AS)cze (Czech Republic)noblockedblockednoneReport
16108832023-07-23 14:15:3581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16102422023-07-21 21:45:13185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16101982023-07-21 19:50:34185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16101692023-07-21 19:02:22185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16099832023-07-21 12:53:19212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16098782023-07-21 08:09:35185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16098612023-07-21 07:06:3081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16085272023-07-18 18:29:28212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16081662023-07-18 04:13:37185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16076942023-07-17 09:08:02185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16073972023-07-16 16:39:18194.15.113.x/24213354 (International-Hosting-Solutions-AS)cze (Czech Republic)noblockedblockednoneReport
16063842023-07-14 13:35:18185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16062852023-07-14 11:16:3281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16056282023-07-13 07:44:3781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16053162023-07-12 18:40:29185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16052762023-07-12 17:21:52185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16051192023-07-12 12:15:4090.177.47.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
16047172023-07-11 19:49:5062.245.104.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16046412023-07-11 17:22:46212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16013852023-07-05 15:57:1781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16008622023-07-04 18:22:05212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16008622023-07-04 18:22:052a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report
15998852023-07-03 05:03:42212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
15994842023-07-02 07:42:47185.52.173.x/24202131 (Wave-net)cze (Czech Republic)yesunknownunknownnoneReport
15985932023-06-30 09:51:24195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
15978142023-06-28 19:27:12212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
15978142023-06-28 19:27:122a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report
15976652023-06-28 14:50:5381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15966382023-06-26 18:47:1395.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/24Report
15958982023-06-25 06:36:18185.52.173.x/24202131 (Wave-net)cze (Czech Republic)yesunknownunknownnoneReport
15958922023-06-25 06:19:46185.52.173.x/24202131 (Wave-net)cze (Czech Republic)yesunknownunknownnoneReport
15945612023-06-22 09:24:28169.150.254.x/24212238 (CDNEXT)cze (Czech Republic)yesblockedblockednoneReport
15944762023-06-22 04:57:39212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
15941112023-06-21 13:44:2981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15939802023-06-21 08:38:1681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15928082023-06-19 09:48:5581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15925472023-06-18 18:00:0495.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/24Report
15924482023-06-18 10:43:28212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
15924482023-06-18 10:43:282a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report
15897382023-06-13 01:32:2137.48.59.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
15897352023-06-13 01:26:1037.48.59.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
15897292023-06-13 01:14:27212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
15897292023-06-13 01:14:272a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report
15896982023-06-12 23:09:36212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
15896982023-06-12 23:09:362a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report
15893872023-06-12 12:09:45195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
15892972023-06-12 08:42:3381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15889532023-06-11 13:07:41212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
15889532023-06-11 13:07:412a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report
15889082023-06-11 11:07:10212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
15857482023-06-05 07:36:1181.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15847642023-06-02 20:08:4137.48.50.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
15844852023-06-02 10:53:59212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
15827322023-05-30 08:59:5495.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/24Report
15820882023-05-29 06:29:4681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15806682023-05-26 04:02:16212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
15806682023-05-26 04:02:162a01:490:xx::/408251 (NFX_ZSPO)cze (Czech Republic)noblockedblocked/64Report

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