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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
11720922021-07-05 00:41:32172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11263892021-04-19 18:36:40172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11263402021-04-19 16:48:40172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11249532021-04-16 21:49:35172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11241552021-04-15 14:46:12172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4872892018-06-19 22:03:11172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4601452018-05-07 03:57:14172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownunknownnoneReport
4601422018-05-07 03:35:47172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownunknownnoneReport
3276682017-10-03 16:14:00172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
3042732017-08-26 16:23:21172.58.3.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport

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