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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
17283352024-03-05 11:20:242601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17244822024-02-26 21:24:472601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17175012024-02-12 18:01:172601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17139592024-02-05 20:33:242601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17085202024-01-25 23:37:492601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17051442024-01-18 22:31:042601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
17027182024-01-14 14:56:032601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16947232023-12-29 18:12:562601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16943022023-12-28 20:07:372601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16911742023-12-21 19:00:562601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16880182023-12-15 17:10:252601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16858102023-12-11 21:37:512601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16819972023-12-04 19:14:082601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16199092023-08-10 00:51:012601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16162482023-08-02 23:44:192601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16126392023-07-26 22:37:342601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16086682023-07-19 01:40:082601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
16009662023-07-04 22:17:082601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15982092023-06-29 15:44:142601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15953602023-06-23 21:10:572601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15691152023-05-03 21:52:502601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15564872023-04-08 18:35:422601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15451282023-03-17 21:06:392601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15394342023-03-08 01:35:012601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15348862023-02-27 22:01:402601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15283982023-02-15 22:02:402601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15250952023-02-09 22:04:462601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15207792023-02-02 20:58:012601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15168072023-01-26 22:03:382601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15100762023-01-12 19:02:322601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
15006132022-12-26 23:57:542601:401:c5xx::/400usa (United States)noblockedblocked/64Report
14969502022-12-19 22:51:142601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14932672022-12-12 21:44:302601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14858002022-11-26 20:59:512601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14812042022-11-19 03:10:532601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14757582022-11-10 05:06:082601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
14536852022-10-08 19:41:372601:401:c5xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified