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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
20717452025-12-02 01:50:39107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20676962025-11-24 20:06:19107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20632062025-11-17 03:34:21107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20538502025-10-26 20:17:01107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20496772025-10-19 18:45:01107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20481532025-10-16 23:17:01107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20435542025-10-08 22:23:44107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20394532025-10-01 06:10:37107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20352732025-09-24 03:06:18107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20312752025-09-17 00:49:47107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport
20272372025-09-09 23:43:26107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesunknownblockednoneReport
20232172025-09-02 22:36:23107.137.233.x/247018 (ATT-INTERNET4)usa (United States)yesblockedblockednoneReport

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