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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
1966562017-04-22 21:52:31219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1959882017-04-22 05:08:56123.225.178.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1958722017-04-22 01:43:20126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1958722017-04-22 01:43:202400:2651:22xx::/4017676 (GIGAINFRA)jpn (Japan)noblockedblocked/56Report
1957882017-04-21 22:43:34219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1954382017-04-21 14:45:05126.160.61.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1952262017-04-21 10:09:3961.211.224.x/249370 (SAKURA-B)jpn (Japan)yesrewrittenrewrittennoneReport
1949672017-04-21 04:25:22126.160.61.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1949032017-04-21 03:00:10153.163.172.x/244713 (OCN)jpn (Japan)yesblockedblockednoneReport
1948132017-04-21 00:20:37153.161.59.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1948032017-04-21 00:03:43133.49.94.x/242907 (SINET-AS)jpn (Japan)noblockedreceived/8Report
1947412017-04-20 22:31:13219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1942242017-04-20 13:52:44126.198.34.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1939152017-04-20 07:04:07103.5.140.x/24131160 (WI2)jpn (Japan)yesblockedblockednoneReport
1937942017-04-20 02:40:1360.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1937612017-04-20 01:42:44126.198.34.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1937522017-04-20 01:22:58126.198.34.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1936562017-04-19 22:25:5060.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1925982017-04-18 22:26:55126.173.178.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1925862017-04-18 22:17:3660.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1917112017-04-18 05:08:29126.162.115.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1916212017-04-18 02:24:0939.3.1.x/244725 (ODN)jpn (Japan)yesblockedblockednoneReport
1915712017-04-18 01:14:14126.162.115.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1915192017-04-17 23:54:28126.233.80.x/2417676 (GIGAINFRA)jpn (Japan)yesblockedblockednoneReport
1915182017-04-17 23:51:4060.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1907302017-04-17 05:58:01126.185.12.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1905992017-04-17 01:24:08126.185.12.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1905292017-04-16 22:57:3460.41.136.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1896972017-04-16 00:17:11126.185.12.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1896942017-04-16 00:15:10126.185.12.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1896372017-04-15 22:04:43220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1888952017-04-15 00:25:55126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1888952017-04-15 00:25:552400:2651:22xx::/4017676 (GIGAINFRA)jpn (Japan)noblockedblocked/56Report
1887932017-04-14 21:40:35220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1880332017-04-14 04:50:02202.12.30.x/242515 (JPNIC)jpn (Japan)yesblockedblockednoneReport
1880332017-04-14 04:50:022001:dc2:10xx::/402515 (JPNIC)jpn (Japan)yesblockedblockednoneReport
1880122017-04-14 04:11:442001:dc2:10xx::/402515 (JPNIC)jpn (Japan)yesblockedblockednoneReport
1879092017-04-14 01:09:42157.107.167.x/244685 (ASAHI-NET)jpn (Japan)yesblockedblockednoneReport
1878152017-04-13 22:42:31220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1864812017-04-12 22:38:46220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1856132017-04-11 23:17:23220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1855842017-04-11 22:38:00220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1848642017-04-11 01:17:3439.3.1.x/244725 (ODN)jpn (Japan)yesblockedblockednoneReport
1848332017-04-10 23:49:5760.41.136.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1840842017-04-09 22:54:0860.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1832842017-04-08 22:00:3960.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1826632017-04-07 22:53:2960.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1821772017-04-07 10:10:34111.108.92.x/242516 (KDDI)jpn (Japan)yesblockedblockednoneReport
1819732017-04-07 03:56:1739.3.1.x/244725 (ODN)jpn (Japan)yesblockedblockednoneReport
1818032017-04-06 22:40:2660.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1815132017-04-06 15:20:0739.3.1.x/244725 (ODN)jpn (Japan)yesblockedblockednoneReport
1808472017-04-05 22:16:26220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1803242017-04-05 08:53:18115.69.234.x/2455391 (MF-NATIVE6-E)jpn (Japan)yesunknownunknownnoneReport
1802772017-04-05 07:39:05202.12.30.x/242515 (JPNIC)jpn (Japan)yesblockedblockednoneReport
1802772017-04-05 07:39:052001:dc2:10xx::/402515 (JPNIC)jpn (Japan)yesblockedblockednoneReport
1800532017-04-04 22:40:15220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1796502017-04-04 11:24:33126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1793072017-04-03 23:13:00218.44.111.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1785292017-04-02 23:01:0160.41.136.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1778122017-04-01 21:42:02220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1771092017-03-31 22:20:2460.41.139.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1763292017-03-30 22:23:5160.41.139.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1754692017-03-29 22:48:52220.99.163.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1741172017-03-28 10:10:53126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1740682017-03-28 08:41:1852.175.146.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)jpn (Japan)yesblockedblockednoneReport
1737652017-03-27 22:51:51220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1736972017-03-27 20:45:23122.221.49.x/2417506 (UCOM)jpn (Japan)yesrewrittenrewrittennoneReport
1728522017-03-26 22:26:06218.44.111.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1720552017-03-25 22:09:0860.41.138.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1716652017-03-25 13:35:5160.97.104.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1716652017-03-25 13:35:512400:2410:2cxx::/4017676 (GIGAINFRA)jpn (Japan)noblockedblocked/64Report
1713332017-03-24 22:40:0160.41.138.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1707482017-03-24 00:51:01126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1706872017-03-23 22:42:0160.41.138.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1702542017-03-23 07:35:59219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1701832017-03-23 04:15:33161.202.144.x/2436351 (SOFTLAYER)jpn (Japan)yesunknownunknownnoneReport
1700382017-03-22 22:55:40219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1696672017-03-22 12:12:45219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1695192017-03-22 07:14:45182.171.76.x/242527 (So-net)jpn (Japan)yesunknownunknownnoneReport
1693852017-03-22 01:04:16210.160.37.x/244713 (OCN)jpn (Japan)yesunknownunknownnoneReport
1693162017-03-21 22:06:53219.165.195.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1686872017-03-20 23:22:14124.35.199.x/2417506 (UCOM)jpn (Japan)yesrewrittenrewrittennoneReport
1686452017-03-20 22:13:5260.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1679612017-03-19 22:42:3860.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1674512017-03-18 22:08:1460.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1669202017-03-17 22:38:4660.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1669122017-03-17 22:25:11126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1662452017-03-16 22:23:2360.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1657902017-03-16 08:35:3458.188.102.x/2417511 (OPTAGE)jpn (Japan)yesblockedblockednoneReport
1656802017-03-16 03:41:27126.199.11.x/2417676 (GIGAINFRA)jpn (Japan)yesblockedblockednoneReport
1655412017-03-15 22:04:3160.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1648082017-03-14 22:32:1160.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1647532017-03-14 20:38:3160.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1641342017-03-13 23:32:4260.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1635402017-03-12 22:55:49222.150.177.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1629902017-03-11 22:10:1160.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1624382017-03-10 22:37:1460.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1621172017-03-10 11:31:04126.48.245.x/2417676 (GIGAINFRA)jpn (Japan)yesrewrittenrewrittennoneReport
1617502017-03-09 22:13:5860.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1611902017-03-09 00:45:47126.245.194.x/2417676 (GIGAINFRA)jpn (Japan)yesblockedblockednoneReport
1611272017-03-08 22:45:4160.41.118.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1605232017-03-07 22:35:40220.221.43.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1599282017-03-06 23:27:32222.150.177.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1593672017-03-05 22:45:03222.150.177.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport
1588732017-03-04 22:12:24222.150.177.x/244713 (OCN)jpn (Japan)yesrewrittenrewrittennoneReport

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