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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
17505872024-04-19 00:26:482001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17505822024-04-19 00:04:442001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17505722024-04-18 23:27:512001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17505602024-04-18 22:51:112001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17505422024-04-18 21:53:252001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17494962024-04-17 00:59:012001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17458982024-04-09 23:52:272001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17457142024-04-09 17:13:562001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17444632024-04-07 02:59:022001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17444522024-04-07 02:21:152001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17444302024-04-07 01:08:422001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17410232024-03-31 07:05:472001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17387072024-03-26 10:41:142001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17352532024-03-19 09:34:392001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17304612024-03-09 02:42:272001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/64Report
17304172024-03-08 23:56:272001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17263252024-03-01 06:00:382001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17263212024-03-01 05:53:552001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17263172024-03-01 05:43:192001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17263162024-03-01 05:41:082001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
17263142024-03-01 05:30:572001:559:xx::/4033490 (COMCAST-33490)usa (United States)noblockedblocked/48Report
8454992020-02-20 20:26:062001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
8453902020-02-20 17:30:352001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
8440932020-02-18 20:09:492001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
8440122020-02-18 17:49:372001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblockednoneReport
7713062019-10-17 15:05:262001:559:xx::/407922 (COMCAST-7922)can (Canada)noblockedblockednoneReport
7712642019-10-17 13:32:112001:559:xx::/407922 (COMCAST-7922)can (Canada)noblockedblockednoneReport
7693882019-10-14 19:47:032001:559:xx::/407922 (COMCAST-7922)can (Canada)noblockedblockednoneReport
6285092019-02-22 00:00:132001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6284652019-02-21 22:03:042001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6283422019-02-21 17:43:492001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6272112019-02-20 01:11:372001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6272062019-02-20 01:07:072001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
6272052019-02-20 01:05:132001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
6271602019-02-19 23:40:502001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6271462019-02-19 23:09:502001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
6270662019-02-19 20:23:582001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
6270342019-02-19 19:18:242001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
6269772019-02-19 17:28:562001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
5515472018-10-11 13:26:292001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
5514952018-10-11 11:53:102001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
5501752018-10-09 18:29:222001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
5499142018-10-09 13:02:012001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceived/16Report
4900662018-06-24 21:34:232001:559:xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/48Report
1511712017-02-21 22:00:072001:559:xx::/407922 (COMCAST-7922)usa (United States)noreceivedreceivednoneReport

All results shown
Last Modified