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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
20499492025-10-20 09:43:052a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20420732025-10-06 13:21:152a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20396972025-10-01 15:11:522a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20396692025-10-01 14:26:032a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20317242025-09-17 16:21:542a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20316942025-09-17 15:46:102a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20303352025-09-15 15:37:592a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20262802025-09-08 14:28:532a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20202002025-08-28 13:10:492a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20195942025-08-27 13:16:282a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20094492025-08-08 16:23:082a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20093742025-08-08 14:27:312a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20093372025-08-08 13:32:432a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20093082025-08-08 12:41:092a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20092182025-08-08 10:12:402a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20092022025-08-08 09:18:352a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20076962025-08-05 15:14:122a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20076092025-08-05 12:53:402a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
20001252025-07-23 09:23:532a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/56Report
19332542025-03-25 03:35:412a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
19249122025-03-10 15:57:562a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18947022025-01-16 17:19:142a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18910012025-01-09 16:12:302a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18874612025-01-02 15:05:412a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18841432024-12-26 13:59:002a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18807182024-12-19 12:52:122a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18768102024-12-12 11:45:252a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report
18669122024-11-25 11:40:142a12:f41:10xx::/40205975gbr (United Kingdom)noblockedblocked/64Report

All results shown
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