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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
4731722018-05-26 19:45:23172.58.153.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3454852017-11-01 13:00:58172.58.153.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2885202017-08-02 23:26:24172.58.153.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
2884982017-08-02 22:31:54172.58.153.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
2438722017-06-09 21:30:49172.58.153.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1028462016-12-01 17:45:17172.58.153.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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