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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
18358672024-09-28 17:05:312601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18107682024-08-10 15:53:132601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6865042019-05-25 18:06:052601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6591142019-04-10 11:26:332601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6541002019-04-02 12:43:022601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6493072019-03-25 11:40:572601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6345072019-03-03 23:07:192601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6300122019-02-24 22:00:282601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6258452019-02-17 17:10:152601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6214692019-02-10 00:23:432601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6175442019-02-02 23:17:052601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6133982019-01-26 22:10:182601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6088132019-01-18 11:56:592601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
6040212019-01-10 13:07:572601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5996632019-01-03 01:34:402601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5961232018-12-26 19:58:072601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5878262018-12-13 03:39:032601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5807292018-11-30 19:32:002601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5759482018-11-21 14:56:042601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5711402018-11-13 23:15:282601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5667152018-11-06 21:10:132601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5623212018-10-30 01:42:492601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5583242018-10-23 00:35:572601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5540352018-10-15 23:29:092601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5491532018-10-08 11:14:342601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5280402018-08-31 17:58:112601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5181992018-08-14 00:03:252601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5141392018-08-06 22:58:002601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5007732018-07-12 20:54:482601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4958152018-07-04 14:21:312601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4843982018-06-14 12:46:212601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4557802018-04-30 14:05:002601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4477702018-04-17 17:58:152601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4379482018-04-02 00:26:432601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4235632018-03-08 23:16:482601:47:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
2667302017-07-06 20:59:582601:47:40xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport
2515872017-06-19 01:29:132601:47:40xx::/407922 (COMCAST-7922)usa (United States)nounknownunknownnoneReport

All results shown
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