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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
20737862025-12-05 15:13:062601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20710562025-11-30 23:20:492601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20671232025-11-23 21:02:182601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20661382025-11-21 18:00:372601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20622072025-11-14 16:52:252601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20590972025-11-07 19:13:402601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20567812025-10-31 18:04:532601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20527792025-10-24 16:56:432601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20493442025-10-19 04:00:562601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20452302025-10-12 02:52:432601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20419422025-10-06 08:12:302601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20381812025-09-29 07:04:352601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20367032025-09-26 13:23:302601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20366922025-09-26 13:11:192601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20356882025-09-24 18:57:542601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20317862025-09-17 17:50:302601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20290802025-09-12 16:15:412601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20248072025-09-05 15:08:092601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20208302025-08-29 14:01:022601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20184762025-08-25 14:42:562601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20147392025-08-18 13:35:242601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20140242025-08-16 21:09:082601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20106362025-08-11 02:00:402601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20104142025-08-10 15:24:372601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20101132025-08-09 20:35:212601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20069882025-08-04 14:38:472601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20069782025-08-04 14:16:272601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20069692025-08-04 14:04:012601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20028892025-07-28 12:56:312601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
20021832025-07-26 21:08:092601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19981532025-07-19 20:00:402601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19941752025-07-12 18:53:082601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19902672025-07-05 17:45:352601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19860562025-06-28 05:59:572601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19812032025-06-19 09:17:282601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19771462025-06-12 08:08:512601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19730752025-06-05 07:00:422601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
19698412025-05-29 05:51:552601:14b:49xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified