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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
5972372018-12-28 18:00:58172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5827162018-12-04 13:13:07172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5041582018-07-19 01:32:16172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4507062018-04-22 10:34:34172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
4470172018-04-16 16:26:52172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1498722017-02-19 20:25:56172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1498522017-02-19 19:54:56172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1282872017-01-13 03:29:44172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1093302016-12-12 07:46:28172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
983852016-11-24 16:32:11172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
932672016-11-16 23:00:17172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
879072016-11-09 20:28:42172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
659342016-08-21 18:41:57172.56.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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