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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
18489272024-10-23 07:48:21165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
18379782024-10-02 15:24:32165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
16893772023-12-18 14:53:17165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
16421302023-09-20 13:35:58165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
12608772021-11-29 22:48:04165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
12507252021-11-15 15:52:37165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
11488092021-05-24 19:57:43165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
11425632021-05-13 18:35:35165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
11367402021-05-04 18:06:29165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
11236572021-04-14 18:38:46165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
11020482021-03-10 17:24:38165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10986322021-03-05 14:14:56165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10810052021-02-11 16:27:13165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10809872021-02-11 16:02:12165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10809732021-02-11 15:47:11165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10699512021-01-25 14:25:20165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10428942020-12-08 18:09:51165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10384062020-12-01 14:26:21165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
10052012020-10-12 18:11:40165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
9099242020-06-10 18:42:28165.123.227.x/2455 (UPENN)usa (United States)yesblockedblockednoneReport
8271802020-01-20 18:45:24165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
7957162019-11-25 21:48:11165.123.227.x/2455 (UPENN)usa (United States)yesblockedblocked/16Report
5716452018-11-14 16:50:20165.123.227.x/2455 (UPENN)usa (United States)noblockedblocked/16Report

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