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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
19544112025-05-03 21:41:442601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19496952025-04-24 21:34:462601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19460812025-04-17 20:27:312601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19422172025-04-10 07:03:412601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19383442025-04-03 06:01:472601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19344642025-03-27 04:54:042601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19307112025-03-20 01:23:002601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19266042025-03-13 00:15:582601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19221602025-03-05 23:08:572601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19180492025-02-26 22:01:512601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19138202025-02-19 20:55:222601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19099342025-02-12 19:47:522601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19059042025-02-05 18:41:222601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19019322025-01-29 17:34:002601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18981092025-01-22 16:27:302601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18940212025-01-15 15:20:002601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18904882025-01-08 14:13:282601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18869632025-01-01 13:06:492601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18836942024-12-25 12:00:182601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18800392024-12-18 10:53:442601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18761882024-12-11 09:50:572601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18721792024-12-04 08:44:232601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18681142024-11-27 07:37:532601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18641952024-11-20 06:30:332601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18601332024-11-13 05:24:002601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18563702024-11-06 04:16:562601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18523632024-10-30 03:09:242601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18487922024-10-23 02:02:542601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18448652024-10-16 00:55:232601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18413082024-10-08 23:48:492601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18376182024-10-01 22:42:052601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18338792024-09-24 21:36:282601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18302552024-09-17 20:29:262601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18265902024-09-10 19:22:332601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
18265552024-09-10 18:09:492601:247:41xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
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