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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
11284312021-04-22 20:00:43172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownblockednoneReport
9140962020-06-17 22:34:49172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3634852017-11-30 14:41:44172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3629802017-11-29 18:44:46172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3613632017-11-27 14:50:34172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3246392017-09-27 19:53:27172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3146932017-09-12 15:49:29172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3066752017-08-30 16:08:44172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2874012017-08-01 15:46:15172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2616552017-06-30 18:29:09172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2586692017-06-27 14:01:35172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2530462017-06-20 14:45:07172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2356322017-05-31 13:43:55172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2286552017-05-23 18:23:37172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2276382017-05-22 17:43:42172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2209142017-05-15 18:55:37172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1933902017-04-19 16:46:56172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1778602017-04-02 00:13:06172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1727922017-03-26 20:10:44172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1694502017-03-22 03:53:24172.58.21.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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