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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
12680182021-12-12 02:06:252601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12638982021-12-05 00:59:402601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12635202021-12-04 02:18:272601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12571042021-11-26 21:36:252601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12504482021-11-15 04:31:262601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12464052021-11-08 03:24:272601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12425192021-11-01 02:17:402601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12383692021-10-25 01:10:472601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12372232021-10-23 02:11:552601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12329092021-10-16 01:05:112601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12284782021-10-08 23:58:182601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12243152021-10-01 22:51:272601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12198162021-09-24 20:27:252601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12155562021-09-17 04:26:122601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12116382021-09-10 03:19:302601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12079492021-09-03 02:12:392601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
12040452021-08-27 01:05:542601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11997822021-08-19 23:59:112601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11974542021-08-16 02:06:512601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11934392021-08-09 01:00:022601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11896202021-08-01 23:53:162601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11887612021-07-31 02:32:522601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
11855912021-07-25 13:39:452601:5c1:3xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
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