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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
20544452025-10-27 19:08:18172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20496102025-10-19 16:08:39172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20480002025-10-16 16:54:36172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20467542025-10-14 17:47:32172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20448852025-10-11 07:17:05172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
20365432025-09-26 08:10:37172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
17901592024-07-02 14:29:44172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
17893612024-07-01 09:44:47172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
17892862024-07-01 05:03:36172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
17830332024-06-19 16:22:38172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
15689692023-05-03 16:32:21172.59.186.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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