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Center for Applied Internet Data Analysis
Recent tests
Result filters: ASNs: Country codes: Exclude NAT Only show spoofing
SessionTimestampClient PrefixASNCountryNATSpoof
Private
Spoof
Routable
Adjacency
Spoofing
Results
2554242017-06-23 01:38:10194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblockednone
2530472017-06-20 07:48:01185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2530072017-06-20 06:50:0679.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesrewrittenblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceivednone
2528902017-06-20 03:56:2689.102.174.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2527792017-06-20 01:33:0589.176.87.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2512412017-06-18 07:36:0994.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2507742017-06-17 16:51:5694.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2493062017-06-15 22:12:54194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2487992017-06-15 08:58:41194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2485162017-06-15 03:33:4037.188.137.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
2484372017-06-15 01:43:43217.75.209.x/2447232 (GRAPESC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2478562017-06-14 10:57:0884.42.249.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2475632017-06-14 05:05:3294.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
2475362017-06-14 04:22:2994.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2475182017-06-14 03:56:0194.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2474052017-06-14 01:33:5894.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2473542017-06-14 00:34:2194.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2467952017-06-13 09:29:4737.48.33.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
2465562017-06-13 04:04:34185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2464962017-06-13 02:22:4489.102.174.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2463892017-06-12 23:19:40194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2460282017-06-12 11:35:0578.45.198.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2457512017-06-12 06:35:3894.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2456062017-06-12 03:04:4494.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2454622017-06-11 23:32:38185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2451802017-06-11 11:58:2878.41.22.x/2443413 (ASNEW)cze (Czech Republic)yesunknownunknownnoneReport
2450462017-06-11 08:13:48195.181.219.x/2424806 (INTERNET-CZ)cze (Czech Republic)noblockedblocked/24Report
2450362017-06-11 08:00:48195.181.219.x/2424806 (INTERNET-CZ)cze (Czech Republic)noblockedblocked/24Report
2449332017-06-11 04:09:5179.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesrewrittenblocked/21Report
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2448692017-06-11 01:51:21185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2445882017-06-10 15:45:1594.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2445552017-06-10 14:29:2694.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2444272017-06-10 09:57:2279.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesrewrittenblocked/21Report
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2437122017-06-09 09:31:0478.108.102.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
2435502017-06-09 05:54:5894.199.47.x/2448298 (GOVCZ)cze (Czech Republic)yesblockedblocked/30Report
2416272017-06-07 03:39:30185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2405472017-06-05 22:02:28194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2403222017-06-05 15:26:24194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2396592017-06-05 00:17:2979.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2396342017-06-04 23:55:2279.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2391032017-06-04 05:54:43194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2366882017-06-01 08:47:10176.74.218.x/2451248 (HOST-TELECOM)cze (Czech Republic)yesblockedblockednoneReport
2346552017-05-30 06:09:35185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2345632017-05-30 03:44:06185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2344872017-05-30 01:37:5289.103.145.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2344762017-05-30 01:21:10185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2344172017-05-29 23:55:16194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2337332017-05-29 06:03:0088.100.14.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:91xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2336112017-05-29 02:38:2289.102.174.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2335002017-05-29 00:09:14185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2312892017-05-26 07:28:52194.228.13.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2312252017-05-26 06:09:4894.113.214.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2311862017-05-26 05:00:0984.242.84.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2310932017-05-26 02:16:5789.176.87.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2310522017-05-26 01:28:56185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2309572017-05-25 22:33:2679.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2302742017-05-25 05:26:01185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2302212017-05-25 04:09:2686.49.107.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2295242017-05-24 09:32:3577.243.183.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
2294932017-05-24 09:09:5777.243.183.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
2294632017-05-24 08:17:3577.243.183.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
2290812017-05-23 23:37:02185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2287652017-05-23 14:08:4194.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2282722017-05-23 03:01:5586.49.146.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2280782017-05-22 22:38:37194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2275092017-05-22 08:15:4778.41.22.x/2443413 (ASNEW)cze (Czech Republic)yesunknownunknownnoneReport
2273032017-05-22 04:10:51185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2238952017-05-18 07:32:0779.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2238072017-05-18 05:50:13109.105.54.x/2412570 (ITSELF)cze (Czech Republic)yesrewrittenrewrittennoneReport
2237812017-05-18 05:19:10185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2236862017-05-18 02:56:0294.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2229842017-05-17 09:37:4579.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2229192017-05-17 08:29:3494.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2228032017-05-17 06:40:56147.229.207.x/24197451 (VUTBR-AS)cze (Czech Republic)noblockedblocked/14Report
2001:67c:12xx::/40197451 (VUTBR-AS)noblockedblocked/48
2227882017-05-17 06:28:48147.229.206.x/24197451 (VUTBR-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
2219402017-05-16 11:37:4794.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2212732017-05-15 21:42:09194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2209162017-05-15 11:58:51194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2206562017-05-15 07:18:0486.49.3.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2205052017-05-15 04:28:16212.27.195.x/246706 (VOL-AS)cze (Czech Republic)yesunknownunknownnoneReport
2198582017-05-14 09:42:56194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2181812017-05-12 13:34:2777.243.183.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
2178922017-05-12 08:25:0489.102.171.x/246830 (LGI-UPC)cze (Czech Republic)yesunknownunknownnoneReport
2167832017-05-11 06:52:2889.102.174.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2166392017-05-11 04:05:24185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2159492017-05-10 13:35:2594.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2152902017-05-10 01:01:5479.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2137582017-05-08 14:43:29194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2122362017-05-07 02:06:22185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneReport
2105432017-05-05 06:54:3689.102.174.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2103972017-05-05 03:09:0285.71.42.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:8dxx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2085312017-05-03 11:53:3994.112.144.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneReport
2084012017-05-03 10:09:1780.79.16.x/2424971 (MASTER-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
2081722017-05-03 06:16:39217.16.185.x/2443541 (VSHOSTING)cze (Czech Republic)yesrewrittenrewrittennoneReport
2062592017-05-01 13:27:35194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2057322017-05-01 04:35:4779.98.78.x/2444002 (SYS-DATACOM)cze (Czech Republic)yesblockedblockednoneReport
2a02:970:ffxx::/4044002 (SYS-DATACOM)noreceivedreceived/16
2056302017-05-01 02:21:45194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
2049522017-04-30 09:45:0580.79.16.x/2424971 (MASTER-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
2039612017-04-29 09:03:5677.48.159.x/246830 (LGI-UPC)cze (Czech Republic)yesunknownunknownnoneReport
2039402017-04-29 08:32:0177.48.159.x/246830 (LGI-UPC)cze (Czech Republic)yesunknownunknownnoneReport
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