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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
4390582018-04-03 17:32:242601:242:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4157742018-02-23 18:04:242601:242:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3804802017-12-28 00:11:422601:242:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3593812017-11-23 21:54:582601:242:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
3438282017-10-29 21:25:542601:242:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
3090592017-09-03 17:24:222601:242:40xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
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