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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
19728682025-06-04 20:53:584.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19728622025-06-04 20:28:444.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19709392025-05-30 19:18:514.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19708662025-05-30 17:36:344.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19707962025-05-30 14:53:484.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19703052025-05-29 19:51:094.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19701162025-05-29 14:29:084.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport
19695702025-05-28 20:16:474.205.38.x/248075 (MICROSOFT-CORP-MSN-AS-BLOCK)can (Canada)yesunknownunknownnoneReport

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