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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
15288992023-02-16 16:38:2381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15288022023-02-16 13:36:5595.80.230.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenblocked/25Report
15282282023-02-15 15:26:5490.177.47.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
15281032023-02-15 11:28:3581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15264382023-02-12 14:58:0285.160.35.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15260702023-02-11 19:22:3186.49.230.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
15260702023-02-11 19:22:312a02:8308:40xx::/4016019 (VODAFONE-CZ-AS)cze (Czech Republic)noblockedblocked/72Report
15256502023-02-10 21:24:5185.160.35.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15254472023-02-10 14:18:5885.160.35.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15251412023-02-09 23:31:4385.160.62.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15248172023-02-09 14:10:0081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15248102023-02-09 13:59:3781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15243252023-02-08 20:13:2081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15230142023-02-06 22:08:06185.242.6.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
15219802023-02-04 20:38:5685.160.4.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15219312023-02-04 18:15:5486.49.230.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
15219312023-02-04 18:15:542a02:8308:40xx::/4016019 (VODAFONE-CZ-AS)cze (Czech Republic)noblockedrewritten/88Report
15201002023-02-01 19:06:5781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15178182023-01-28 19:32:5485.160.0.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15177502023-01-28 16:21:2686.49.231.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
15177502023-01-28 16:21:262a02:8308:40xx::/4016019 (VODAFONE-CZ-AS)cze (Czech Republic)noblockedblocked/80Report
15173392023-01-27 19:02:2386.49.231.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
15173392023-01-27 19:02:232a02:8308:40xx::/4016019 (VODAFONE-CZ-AS)cze (Czech Republic)noblockedblocked/64Report
15169932023-01-27 08:22:3477.240.102.x/2442189 (EUROSIGNAL-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
15160912023-01-25 18:00:3581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15155542023-01-24 21:00:4985.160.17.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15152712023-01-21 12:35:5985.160.1.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15135382023-01-18 16:54:1381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15132132023-01-18 05:18:22212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
15109612023-01-14 11:29:5585.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15105912023-01-13 16:50:2685.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15105902023-01-13 16:48:4285.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15101612023-01-12 22:22:5981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15101212023-01-12 20:51:2946.30.64.x/2428905 (BECOLINK-AS)cze (Czech Republic)yesblockedblocked/21Report
15100232023-01-12 17:08:2285.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
15089372023-01-11 07:20:5981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15086212023-01-10 18:07:06212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
15083382023-01-10 08:17:3478.108.104.x/248251 (NFX_ZSPO)cze (Czech Republic)yesunknownunknownnoneReport
15046102023-01-03 20:13:0981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15037612023-01-02 11:31:2681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15037502023-01-02 11:13:0481.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15017352022-12-28 22:34:0381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
15014792022-12-28 14:19:53212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14999922022-12-25 16:27:21217.11.239.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14991632022-12-23 19:54:0989.203.248.x/2425512 (CDT-AS)cze (Czech Republic)noblockedblocked/17Report
14981572022-12-21 21:27:3581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14966892022-12-19 14:38:4781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14929822022-12-12 13:32:2081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14924012022-12-11 09:39:2481.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14916862022-12-09 17:41:04178.17.7.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneReport
14883162022-11-30 16:43:1746.30.64.x/2428905 (BECOLINK-AS)cze (Czech Republic)yesblockedblocked/21Report
14870462022-11-28 20:58:37212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14863772022-11-27 23:17:2281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14860982022-11-27 12:42:5681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14818062022-11-20 11:36:3081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14813502022-11-19 12:20:41212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14813172022-11-19 10:55:39217.11.239.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14802852022-11-17 15:36:4881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14794982022-11-16 13:28:5681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14752212022-11-09 12:22:3081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14742792022-11-08 06:34:37212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14695842022-11-02 09:46:0180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14695842022-11-02 09:46:012a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14695782022-11-02 09:34:0180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14695782022-11-02 09:34:012a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14688862022-11-01 05:27:51212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14685782022-10-31 16:13:0581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14684862022-10-31 12:48:0380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14681382022-10-30 18:59:1281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14671012022-10-28 18:08:0780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14662572022-10-27 09:47:0893.89.107.x/24198813 (SychrovNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
14659332022-10-26 19:22:2093.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14644902022-10-24 11:41:4280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14641662022-10-23 17:52:4481.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14631842022-10-21 17:11:3780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14628732022-10-21 04:25:32212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14565762022-10-13 19:55:0780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14565642022-10-13 19:30:1781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14565622022-10-13 19:28:3680.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14564642022-10-13 16:45:5593.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14560872022-10-13 04:22:01212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
14548042022-10-11 00:03:3880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14545162022-10-10 13:54:3980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14524872022-10-06 18:23:5381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14523982022-10-06 15:39:3493.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14523202022-10-06 13:09:3593.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14522442022-10-06 10:26:5881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14516862022-10-05 12:30:5281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14505082022-10-03 12:48:1780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14504982022-10-03 12:31:5080.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14504972022-10-03 12:27:2680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14504912022-10-03 12:20:4880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14503922022-10-03 08:12:2380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14491202022-09-30 15:10:3280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14485182022-09-29 16:12:5193.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14477222022-09-28 11:24:2381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14466592022-09-24 14:43:2293.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14461792022-09-23 17:35:5393.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
14459782022-09-23 12:20:0880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14459212022-09-23 10:40:5480.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14459212022-09-23 10:40:542a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14452542022-09-22 09:27:3781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
14450382022-09-22 00:08:51213.194.197.x/24207198 (KTKCZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
14450352022-09-22 00:02:33213.194.197.x/24207198 (KTKCZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
14450332022-09-21 23:54:43213.194.197.x/24207198 (KTKCZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
14450242022-09-21 23:37:49213.194.197.x/24207198 (KTKCZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
14427742022-09-18 15:41:0093.99.226.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport

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