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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
20724262025-12-03 06:20:0174.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20652722025-11-20 09:46:5774.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20632612025-11-17 06:06:1074.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20507532025-10-21 12:34:1774.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20507082025-10-21 10:49:4274.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20464462025-10-14 08:53:2874.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20425702025-10-07 07:28:1674.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20388682025-09-30 06:11:4474.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20388472025-09-30 05:20:5874.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20384842025-09-29 16:50:2874.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20384672025-09-29 16:08:2474.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20384532025-09-29 15:46:2174.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20384452025-09-29 15:34:1574.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20380642025-09-29 01:13:1074.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20380432025-09-29 00:01:1174.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20380382025-09-28 23:39:0374.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20380332025-09-28 23:20:0874.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20312252025-09-16 22:30:1174.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20311552025-09-16 19:37:4974.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
20311502025-09-16 19:25:4174.213.250.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport
2660752017-07-06 03:36:5474.213.253.x/2414978 (CSSBB)usa (United States)yesblockedblockednoneReport

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