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
20534382025-10-25 21:40:02172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20533912025-10-25 19:53:10172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20493382025-10-19 03:41:56172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20477692025-10-16 09:41:16172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20476762025-10-16 05:54:28172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20458942025-10-13 12:19:57172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20399022025-10-01 22:45:33172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20368452025-09-26 17:12:44172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20367172025-09-26 13:42:18172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
19665272025-05-23 19:18:34172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
18836002024-12-25 06:37:02172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
17893482024-07-01 09:09:36172.58.167.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

All results shown
Last Modified