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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
2380292017-06-03 03:03:172601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
2316872017-05-27 01:39:002601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2252642017-05-20 00:22:122601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2182592017-05-12 23:03:222601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2109362017-05-05 21:47:292601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2031702017-04-28 20:31:402601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1956742017-04-21 19:15:332601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1886462017-04-14 17:59:232601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1824402017-04-07 16:39:282601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1768412017-03-31 15:23:282601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1710432017-03-24 14:07:332601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1710292017-03-24 13:51:292601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1665712017-03-17 12:35:252601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
1646802017-03-14 18:39:282601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1621112017-03-10 11:20:002601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1580182017-03-03 10:04:282601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1526612017-02-24 08:49:042601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1484062017-02-17 07:33:312601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1440012017-02-10 07:14:112601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1393742017-02-03 05:58:492601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1346762017-01-27 04:43:162601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1314622017-01-18 12:08:242601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1269582017-01-11 10:53:002601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1227072017-01-04 09:37:132601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1190762016-12-28 08:21:402601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1153132016-12-21 07:06:022601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1108822016-12-14 05:50:522601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1061372016-12-07 04:35:202601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
1017262016-11-30 03:13:472601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
974092016-11-23 01:58:232601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
924862016-11-16 00:42:512601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
872962016-11-08 23:27:142601:441:81xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport

All results shown
Last Modified