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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
21138432026-02-15 17:36:56172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21115332026-02-11 17:15:08172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21084602026-02-06 13:39:38172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21084422026-02-06 13:17:56172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21084372026-02-06 13:06:11172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21080082026-02-05 16:57:31172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21080012026-02-05 16:45:45172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21072712026-02-04 16:24:38172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21071162026-02-04 13:18:53172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21045482026-01-30 18:05:34172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21026182026-01-27 14:55:33172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21026112026-01-27 14:43:45172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21019612026-01-26 17:38:40172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21018452026-01-26 14:10:49172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21018282026-01-26 13:49:24172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20963832026-01-16 15:16:04172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20959242026-01-15 18:53:16172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20959072026-01-15 18:31:39172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20959022026-01-15 18:19:50172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20925652026-01-09 17:59:47172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20924362026-01-09 13:39:37172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20924292026-01-09 13:27:53172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20873182025-12-30 13:44:57172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20842002025-12-23 18:45:53172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20841622025-12-23 17:42:33172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20821572025-12-19 17:42:14172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20813272025-12-18 13:24:51172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20813212025-12-18 13:13:11172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20739572025-12-05 21:21:28172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20738692025-12-05 18:20:36172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20733652025-12-04 20:20:29172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20727702025-12-03 18:15:53172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20687362025-11-26 16:16:49172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20650242025-11-19 20:04:44172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20643612025-11-18 19:28:45172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20608342025-11-12 15:06:16172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20607282025-11-12 12:27:16172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20562942025-10-30 20:18:29172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20562762025-10-30 19:16:32172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20527662025-10-24 16:39:32172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20527512025-10-24 15:49:35172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20526932025-10-24 14:03:23172.59.17.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport

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