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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
20739802025-12-05 22:35:32104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20710852025-12-01 01:37:33104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20671662025-11-24 00:29:36104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20631492025-11-16 23:21:58104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20630312025-11-16 15:05:18104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20536292025-10-26 06:49:38104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20493772025-10-19 05:41:56104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20452632025-10-12 04:34:02104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20414302025-10-05 03:26:43104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20375822025-09-28 00:25:07104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20335132025-09-20 23:17:13104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20296582025-09-13 22:09:55104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
19958462025-07-15 15:34:20104.0.18.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport

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