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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
21127902026-02-13 17:30:16172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21120072026-02-12 12:29:27172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21027772026-01-27 18:26:32172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20963052026-01-16 12:44:34172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20962942026-01-16 12:22:53172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20962872026-01-16 12:11:08172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20959822026-01-15 20:40:17172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20959682026-01-15 20:07:02172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20958252026-01-15 15:43:11172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20958172026-01-15 15:31:27172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20913862026-01-07 12:58:33172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20908572026-01-06 17:13:44172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20901832026-01-05 20:05:26172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20901632026-01-05 19:43:35172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20901522026-01-05 19:31:51172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20899962026-01-05 14:55:31172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20840482025-12-23 14:01:42172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20840142025-12-23 13:07:25172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20815392025-12-18 18:03:58172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20815302025-12-18 17:52:18172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20814872025-12-18 16:47:34172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20814802025-12-18 16:35:59172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20814042025-12-18 15:01:16172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20808892025-12-17 19:07:13172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20808742025-12-17 18:25:32172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20808602025-12-17 18:03:50172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20808552025-12-17 17:52:10172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20806932025-12-17 12:58:30172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20806842025-12-17 12:46:48172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20802872025-12-16 19:54:06172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20794252025-12-15 17:04:16172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20794082025-12-15 16:42:35172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20794032025-12-15 16:30:54172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20793382025-12-15 14:56:56172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20739122025-12-05 19:58:10172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20699082025-11-28 14:15:02172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20686162025-11-26 13:13:05172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20680962025-11-25 13:18:49172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20676322025-11-24 18:46:21172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20654372025-11-20 16:49:00172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20653182025-11-20 12:27:50172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20649112025-11-19 17:15:43172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20647832025-11-19 12:58:49172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20623582025-11-14 22:53:47172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20553922025-10-29 12:49:41172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20550752025-10-28 19:32:54172.59.19.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport

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