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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
13241182022-03-13 06:13:30131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
8910412020-05-07 17:45:22131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
8481392020-02-25 14:44:51131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
7912592019-11-18 19:53:56131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
7418612019-08-29 22:55:47131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
7360652019-08-19 22:39:04131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
7299732019-08-08 18:39:28131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
7162642019-07-15 16:18:01131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
6819132019-05-17 22:58:38131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
6775332019-05-10 21:51:52131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
6768542019-05-09 19:20:59131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
3761402017-12-19 20:31:57131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/17Report
3706772017-12-11 16:59:26131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/17Report
3688372017-12-08 15:07:42131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/17Report
3661432017-12-04 18:38:01131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
3623122017-11-28 19:52:13131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3505582017-11-09 14:45:41131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3486622017-11-06 17:09:30131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3412702017-10-25 13:11:05131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3356212017-10-16 19:19:01131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3311022017-10-09 16:33:08131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesunknownblockednoneReport
3250962017-09-28 13:35:56131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3247672017-09-28 01:02:55131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
3188982017-09-18 19:50:04131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesunknownblockednoneReport
2969282017-08-15 00:21:47131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblockednoneReport
1605952017-03-08 00:51:30131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1532142017-02-25 02:55:04131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesunknownblockednoneReport
1529042017-02-24 17:25:41131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesunknownblockednoneReport
1510912017-02-21 19:09:06131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1466972017-02-14 19:39:12131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1448902017-02-11 20:24:12131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1442152017-02-10 16:11:58131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesunknownblockednoneReport
1390202017-02-02 18:51:13131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1369412017-01-30 19:15:21131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesunknownblockednoneReport
1362372017-01-29 17:16:14131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1322252017-01-19 15:39:09131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1072552016-12-08 20:36:57131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1072332016-12-08 19:52:19131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1050182016-12-05 15:01:53131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1020962016-11-30 17:02:18131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1009632016-11-29 03:33:43131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
1008622016-11-28 23:41:45131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
942362016-11-18 03:00:07131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report
922192016-11-15 17:42:52131.212.251.x/24217 (UMN-SYSTEM)usa (United States)yesblockedblocked/16Report

All results shown
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