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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
21107612026-02-10 12:55:51177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21107432026-02-10 12:36:17177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21102492026-02-09 19:34:11177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21101942026-02-09 18:03:07177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21100812026-02-09 14:54:42177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21099962026-02-09 13:15:31177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21085282026-02-06 16:11:35177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21071202026-02-04 13:26:07177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21057832026-02-02 12:39:55177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21045052026-01-30 16:34:13177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21044152026-01-30 12:58:50177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21038412026-01-29 13:33:58177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21025862026-01-27 14:06:20177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
21025432026-01-27 13:06:57177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
21005292026-01-23 16:33:34177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20992032026-01-21 13:06:35177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20991992026-01-21 12:57:03177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20980042026-01-19 14:45:50177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20952312026-01-14 13:50:39177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20945982026-01-13 13:27:56177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20924302026-01-09 13:28:10177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20924052026-01-09 12:27:28177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20920172026-01-08 16:27:03177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20914462026-01-07 14:41:42177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20913832026-01-07 12:50:42177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20913742026-01-07 12:32:53177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20908862026-01-06 18:16:24177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20866292025-12-29 14:20:00177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20262792025-09-08 14:27:52177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20262482025-09-08 13:35:41177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20185302025-08-25 16:57:10177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20172322025-08-22 18:43:03177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20164492025-08-21 12:38:29177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20159422025-08-20 14:26:54177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20159082025-08-20 13:25:53177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20158812025-08-20 12:38:42177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20135512025-08-15 17:29:51177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20105502025-08-10 22:00:37177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20105392025-08-10 21:18:47177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20105312025-08-10 20:57:00177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
20105272025-08-10 20:45:08177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
19676082025-05-25 21:26:08177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
19675992025-05-25 21:04:17177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
19675932025-05-25 20:52:24177.23.8.x/2453112bra (Brazil)yesblockedblockednoneReport
17258692024-02-29 10:16:01177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
17146312024-02-07 00:22:20177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
17140182024-02-05 22:40:27177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
17076052024-01-24 10:32:40177.23.8.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport

All results shown
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