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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
18137812024-08-16 12:10:402600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)nounknownunknownnoneReport
17863932024-06-25 20:17:572600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)nounknownunknownnoneReport
17855432024-06-24 13:02:252600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)nounknownunknownnoneReport
17800502024-06-14 12:42:222600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)nounknownunknownnoneReport
17783752024-06-11 18:18:302600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)nounknownunknownnoneReport
14878052022-11-30 00:15:202600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
13132022022-02-21 01:18:552600:1700:4cxx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report

All results shown
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