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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
16373432023-09-11 22:53:22172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
16367792023-09-10 21:56:02172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
16341142023-09-05 12:51:09172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
14145482022-08-09 14:07:45172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
11926792021-08-07 04:49:53172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11919932021-08-06 01:10:03172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownunknownnoneReport
11919662021-08-06 00:22:53172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownunknownnoneReport
11864302021-07-27 02:12:41172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownrewrittennoneReport
11732622021-07-07 01:20:46172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11365272021-05-04 12:39:23172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
9819772020-09-14 19:58:16172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
9819702020-09-14 19:40:18172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownrewrittennoneReport
9607782020-08-25 14:28:45172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownrewrittennoneReport
8625312020-03-17 18:26:37172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
8625242020-03-17 18:15:38172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
8625162020-03-17 17:56:40172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
8540082020-03-03 01:38:57172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
8539942020-03-03 01:08:04172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
5621682018-10-29 20:16:25172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
5078442018-07-25 20:48:29172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4792042018-06-05 19:56:48172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4744522018-05-29 02:58:16172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownunknownnoneReport
3142592017-09-11 22:40:59172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
3136922017-09-11 02:09:52172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
2989992017-08-18 04:35:30172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
2340302017-05-29 18:41:55172.58.4.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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