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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
15943582023-06-21 22:14:38172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
12039512021-08-26 21:54:16172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11686892021-06-29 06:59:18172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownblockednoneReport
9669912020-09-01 18:56:45172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
9669872020-09-01 18:49:36172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
9668902020-09-01 16:34:47172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
9106942020-06-12 00:24:24172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
8349822020-02-02 17:15:31172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
8226412020-01-13 04:22:25172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
8163882019-12-31 15:26:24172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
8058772019-12-11 20:22:27172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
7919862019-11-19 19:59:54172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
7436562019-09-02 17:08:14172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6830662019-05-20 09:44:19172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
5810542018-12-01 11:34:46172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
5362592018-09-15 19:13:40172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5362512018-09-15 18:54:13172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5356182018-09-14 12:52:01172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5355772018-09-14 11:37:29172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5027792018-07-16 18:32:00172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
3529362017-11-13 18:20:08172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3363142017-10-17 20:53:57172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
2803222017-07-23 18:17:04172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2212182017-05-16 02:57:55172.58.139.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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