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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
6629542019-04-16 14:25:35172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5540512018-10-15 23:50:14172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4505242018-04-22 00:14:39172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
4500272018-04-21 01:25:51172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
3005702017-08-21 01:44:10172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2987602017-08-17 18:51:36172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2542692017-06-21 23:51:13172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1504312017-02-20 20:04:07172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1408982017-02-05 19:00:23172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
569402016-05-26 23:46:14172.56.5.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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