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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
19741572025-06-07 03:28:352a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19675232025-05-25 17:07:092a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19674672025-05-25 14:29:092a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19632052025-05-18 13:20:172a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19586372025-05-11 12:12:242a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19586222025-05-11 11:28:312a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19546432025-05-04 10:21:492a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19215342025-03-05 02:16:532a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
19215192025-03-05 01:36:272a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/88Report
19093822025-02-11 22:20:292a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblockednoneReport
19091502025-02-11 13:32:102a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)nounknownunknownnoneReport
18884962025-01-04 17:02:252a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/64Report
16381472023-09-13 08:34:042a01:4b00:87xx::/4056478 (BCUBE-AS)gbr (United Kingdom)noblockedblocked/56Report

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