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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
16026352023-07-07 18:58:05172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
15921822023-06-17 17:02:06172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
15919442023-06-17 06:00:33172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
15919392023-06-17 05:41:11172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
14004732022-07-14 15:03:01172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6609242019-04-13 02:35:12172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5582182018-10-22 20:28:10172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5192792018-08-15 16:59:50172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
4850412018-06-15 14:46:46172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
4622032018-05-09 18:10:18172.58.99.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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