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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
21127462026-02-13 15:54:09172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21122732026-02-12 19:27:03172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21085212026-02-06 16:00:15172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21080432026-02-05 18:21:23172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21080352026-02-05 17:59:44172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21080312026-02-05 17:48:09172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21027682026-01-27 18:14:46172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21020202026-01-26 19:09:48172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21020022026-01-26 18:48:05172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
21019962026-01-26 18:36:25172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20959712026-01-15 20:18:38172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20958322026-01-15 16:04:46172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20908772026-01-06 17:55:22172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20908482026-01-06 16:52:01172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20908422026-01-06 16:40:15172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20900212026-01-05 15:28:47172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20900092026-01-05 15:07:12172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20878532025-12-31 14:02:49172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20878332025-12-31 13:41:04172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20878242025-12-31 13:29:12172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20874962025-12-30 18:44:36172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20874732025-12-30 18:02:56172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20874592025-12-30 17:41:14172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20874512025-12-30 17:29:33172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20874242025-12-30 16:57:51172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20874162025-12-30 16:46:15172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20840552025-12-23 14:13:22172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewritten/22Report
20839922025-12-23 12:45:46172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20839852025-12-23 12:34:02172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20814992025-12-18 17:09:19172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20813892025-12-18 14:37:22172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20813822025-12-18 14:25:37172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20802232025-12-16 18:28:00172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20802092025-12-16 18:06:20172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20802032025-12-16 17:54:37172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20800562025-12-16 14:13:41172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20800462025-12-16 14:02:00172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20793622025-12-15 15:38:35172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20793252025-12-15 14:35:21172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20793152025-12-15 14:23:41172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20682112025-11-25 17:52:36172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20674722025-11-24 13:27:32172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20654032025-11-20 15:06:39172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20648602025-11-19 15:37:41172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20554452025-10-29 14:04:47172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20554132025-10-29 13:23:01172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20553982025-10-29 13:01:19172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20551062025-10-28 20:48:04172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20550882025-10-28 20:06:18172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20550802025-10-28 19:44:36172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport
20526462025-10-24 12:48:02172.59.18.x/2421928 (T-MOBILE-AS21928)pri (Puerto Rico)yesrewrittenrewrittennoneReport

All results shown
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