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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
1712552017-03-24 12:37:49185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1688372017-03-20 23:13:57194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblocked/64
1665652017-03-17 05:22:56185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1661582017-03-16 12:25:5246.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneFull report
1657472017-03-16 00:05:2246.47.186.x/2430764 (PODA-AS)cze (Czech Republic)yesblockedreceived/8Full report
1651852017-03-15 04:47:4446.47.186.x/2430764 (PODA-AS)cze (Czech Republic)yesblockedreceived/17Full report
1650542017-03-15 01:01:51194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1650302017-03-15 00:28:0246.47.186.x/2430764 (PODA-AS)cze (Czech Republic)yesblockedreceived/8Full report
1649852017-03-14 23:09:1237.48.10.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1649702017-03-14 22:24:2479.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1649662017-03-14 22:15:2579.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1647612017-03-14 13:56:0179.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1647562017-03-14 13:41:1679.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1645342017-03-14 07:46:3037.48.8.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1644402017-03-14 03:57:2846.47.186.x/2430764 (PODA-AS)cze (Czech Republic)yesblockedreceived/8Full report
1643902017-03-14 02:15:5746.47.186.x/2430764 (PODA-AS)cze (Czech Republic)yesblockedreceived/8Full report
1637782017-03-13 04:38:2446.47.186.x/2430764 (PODA-AS)cze (Czech Republic)yesblockedreceived/8Full report
1632712017-03-12 03:51:12178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1628722017-03-11 09:15:2179.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1626032017-03-10 21:59:05194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1621972017-03-10 06:24:49217.66.185.x/2415935 (HA-VEL-LOCAL-AS)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1621542017-03-10 05:09:3379.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1619872017-03-09 22:31:5279.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1615302017-03-09 06:41:53194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1610772017-03-08 13:05:3146.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneFull report
1609372017-03-08 08:53:14185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1608402017-03-08 05:23:35194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblockednone
1607352017-03-08 00:02:4979.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1603672017-03-07 09:40:05185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1603572017-03-07 09:28:1579.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1603462017-03-07 09:10:2679.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1603342017-03-07 08:52:00185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1602312017-03-07 05:54:5379.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1602202017-03-07 05:25:3279.127.242.x/249080 (GIN)cze (Czech Republic)yesblockedrewrittennoneFull report
1602002017-03-07 04:39:1879.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1601802017-03-07 03:34:1279.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1596372017-03-06 05:28:0979.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1595612017-03-06 01:37:0879.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1593762017-03-05 15:11:3479.127.242.x/249080 (GIN)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1574522017-03-02 04:12:23194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblockednone
1566732017-02-28 23:23:27185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1563932017-02-28 12:01:16185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1562832017-02-28 08:27:22185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1562232017-02-28 06:29:43185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1561682017-02-28 04:46:28178.17.8.x/2450825 (UVT)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1559092017-02-27 18:12:22185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1555412017-02-27 07:04:46185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1555002017-02-27 05:47:10185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1551222017-02-26 12:22:20185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1541602017-02-25 14:08:48185.41.141.x/24174 (COGENT-174)cze (Czech Republic)yesblockedblockednoneFull report
1529602017-02-24 10:55:3689.233.181.x/2412767 (PRAGONET-AS)cze (Czech Republic)yesblockedrewrittennoneFull report
1519942017-02-22 23:31:32194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblockednone
1519802017-02-22 22:57:1178.102.33.x/246830 (LGI-UPC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
1519692017-02-22 22:33:35194.228.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneFull report
2a00:1028:83xx::/405610 (O2-CZECH-REPUBLIC)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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)noblockedblockednone
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