Skip to Content
[CAIDA - Center for Applied Internet Data Analysis logo]
Center for Applied Internet Data Analysis
Recent tests
Result filters: ASNs: Country codes: Exclude NAT Only show spoofing
SessionTimestampClient PrefixASNCountryNATSpoof
Private
Spoof
Routable
v4 Adjacency
Spoofing
Results
1516582017-02-22 10:11:04185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1513912017-02-21 23:57:21185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1510752017-02-21 10:39:3783.143.240.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1494562017-02-18 18:22:38185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1484362017-02-17 00:50:0646.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneFull report
1482882017-02-16 18:24:54185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1481042017-02-16 11:33:18185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1478702017-02-16 04:29:58185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1474922017-02-15 14:13:10194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1465252017-02-14 06:25:5577.240.179.x/2424641 (FASTER-AS)cze (Czech Republic)yesblockedblocked/30Full report
1447952017-02-11 08:58:43185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1445922017-02-10 23:47:33185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1443372017-02-10 12:18:1889.238.166.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1440892017-02-10 03:15:52185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1436032017-02-09 08:06:05194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1434642017-02-09 02:59:3446.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneFull report
1424502017-02-07 11:41:3477.93.208.x/2424971 (MASTER-AS)cze (Czech Republic)yesblockedblockednoneFull report
1422192017-02-07 05:19:1377.240.179.x/2424641 (FASTER-AS)cze (Czech Republic)yesblockedblocked/30Full report
1414362017-02-06 07:06:04185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1409402017-02-05 12:33:44185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1408482017-02-05 08:12:22185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1401252017-02-04 00:37:59185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1387852017-02-02 05:51:28194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1342162017-01-26 04:35:47194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1341942017-01-26 04:00:5283.143.240.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1341222017-01-26 01:09:24185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1333332017-01-24 17:26:5683.143.240.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1324462017-01-23 12:26:47185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1324162017-01-23 11:43:26185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1324142017-01-23 11:40:16185.76.10.x/2460068 (CDN77)cze (Czech Republic)noblockedblocked/27Full report
1321062017-01-19 02:56:24194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1314482017-01-18 03:07:44194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1309762017-01-17 08:28:0346.13.175.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1301282017-01-16 04:11:52178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1289932017-01-14 02:07:58178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1269342017-01-11 01:38:29194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1268732017-01-10 23:32:28194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1243942017-01-06 18:57:5083.143.240.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1242192017-01-06 12:21:5183.143.240.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1236192017-01-05 11:21:0578.111.121.x/2447232 (GRAPESC)cze (Czech Republic)yesunknownunknownnoneFull report
1226482017-01-03 22:16:31194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1221532017-01-03 05:47:37194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1215612017-01-02 00:44:0089.238.166.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1194542016-12-28 13:58:5189.238.166.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
1193052016-12-28 08:38:57178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1184912016-12-27 04:32:12194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1163742016-12-22 15:31:3189.176.178.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1150572016-12-20 12:33:54185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1147552016-12-20 03:16:44194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1136992016-12-18 04:17:02178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1102742016-12-13 06:00:59185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1100902016-12-12 23:02:38194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1056092016-12-06 03:48:46185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1053192016-12-05 14:54:01194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
1011052016-11-29 02:23:22185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1008002016-11-28 13:38:17194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
980272016-11-23 16:34:39188.175.178.x/2416246 (AS16246)cze (Czech Republic)yesrewrittenblockednoneFull report
944592016-11-18 04:00:25185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
943442016-11-17 23:29:00185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
929552016-11-16 08:11:09185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
878352016-11-09 11:19:31194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
868332016-11-07 10:36:56194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
862322016-11-05 16:16:1062.84.135.x/245588 (GTSCE)cze (Czech Republic)yesrewrittenrewrittennoneFull report
843622016-10-31 10:21:19194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
827752016-10-27 02:57:47188.175.226.x/2416246 (AS16246)cze (Czech Republic)noblockedblockednoneFull report
776732016-10-12 03:31:18185.15.146.x/2444489 (Starnet)cze (Czech Republic)yesrewrittenrewrittennoneFull report
760182016-10-07 00:08:3094.142.238.x/2448926 (PE3NY-AS)cze (Czech Republic)yesrewrittenrewrittennoneFull report
736192016-09-29 04:42:5791.197.234.x/2460144 (THREE-W-INFRA-AS)cze (Czech Republic)noblockedblocked/26Full report
734892016-09-28 14:45:0091.197.234.x/2460144 (THREE-W-INFRA-AS)cze (Czech Republic)noreceivedreceived/8Full report
734832016-09-28 14:31:4391.197.234.x/2460144 (THREE-W-INFRA-AS)cze (Czech Republic)noreceivedreceived/8Full report
726192016-09-26 11:25:13178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
715252016-09-23 01:26:0878.128.217.x/242852 (CESNET2)cze (Czech Republic)noblockedblocked/25Full report
2001:718:xx::/402852 (CESNET2)noblockedblocked
706732016-09-19 07:43:0678.102.106.x/246830 (LGI-UPC)cze (Czech Republic)yesblockedblockednoneFull report
706372016-09-19 04:40:4080.250.11.x/2421430 (WIA-AS)cze (Czech Republic)yesrewrittenrewrittennoneFull report
704742016-09-18 05:39:3689.177.99.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
697962016-09-15 01:12:5580.250.11.x/2421430 (WIA-AS)cze (Czech Republic)yesrewrittenrewrittennoneFull report
686982016-09-09 12:24:0190.179.101.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:96xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
675282016-09-02 01:52:4980.251.250.x/2439235 (Dat)cze (Czech Republic)yesrewrittenrewrittennoneFull report
673712016-09-01 03:26:2480.251.249.x/2439235 (Dat)cze (Czech Republic)yesunknownunknownnoneFull report
669272016-08-28 09:59:0190.179.101.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:96xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
667782016-08-27 09:31:3990.179.101.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:96xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
664382016-08-25 01:53:20178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
660372016-08-22 03:04:06178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
654312016-08-17 21:11:2795.168.214.x/2439392 (SUPERNETWORK-AS)cze (Czech Republic)noreceivedreceived/8Full report
652152016-08-16 07:06:2890.179.101.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:96xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked
650942016-08-15 11:05:53178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
648192016-08-13 06:33:43178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
648022016-08-13 03:26:08178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
633952016-07-31 16:21:37178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
624902016-07-24 15:08:01178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
623462016-07-22 20:38:07178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
618612016-07-17 23:22:2595.168.214.x/2439392 (SUPERNETWORK-AS)cze (Czech Republic)noblockedblocked/27Full report
618242016-07-17 13:54:43178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
611592016-07-10 13:43:13178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
611532016-07-10 12:44:2889.238.186.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneFull report
606252016-07-04 10:59:03178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
563982016-05-04 04:34:1537.46.83.x/24198171 (Hosting90)cze (Czech Republic)noblockedblockednoneFull report
All results shown
  Last Modified: