Logo

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
16175492023-08-05 14:35:282600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16174902023-08-05 11:46:402600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16138362023-07-29 10:32:272600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16137882023-07-29 07:54:332600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16103342023-07-22 06:40:482600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16103212023-07-22 05:49:592600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15730302023-05-11 14:25:592600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7384202019-08-23 17:40:192600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
7301572019-08-09 02:57:322600:1700:4fxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report

All results shown
Last Modified