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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
11403212021-05-10 16:37:00140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesblockedblockednoneReport
11403152021-05-10 16:27:31140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
11375392021-05-06 02:16:13140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
11331692021-04-28 12:05:06140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
11195712021-04-08 04:51:15140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
11194902021-04-08 02:18:41140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
11155912021-04-01 09:29:53140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
11154182021-04-01 02:16:22140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10976282021-03-04 02:09:27140.113.168.x/249916 (NCTU-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
10976212021-03-04 01:45:13140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10925542021-02-24 14:46:40140.113.136.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10439352020-12-10 04:11:57140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesblockedblockednoneReport
10439342020-12-10 04:05:33140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
10439322020-12-10 04:01:41140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesblockedblockednoneReport
10439302020-12-10 03:57:41140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
10439272020-12-10 03:52:14140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesrewrittenrewrittennoneReport
10436342020-12-09 17:55:14140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10436302020-12-09 17:51:02140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10436002020-12-09 17:23:04140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10435752020-12-09 16:48:52140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10435642020-12-09 16:38:41140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10435622020-12-09 16:35:34140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10435562020-12-09 16:28:01140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10435502020-12-09 16:24:30140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10435162020-12-09 15:25:45140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10434812020-12-09 14:32:07140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10434352020-12-09 13:23:49140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yesunknownunknownnoneReport
10242512020-11-10 10:14:46140.113.230.x/249916 (NCTU-TW)twn (Taiwan)noblockedblocked/23Report
10235572020-11-09 12:36:19140.113.230.x/249916 (NCTU-TW)twn (Taiwan)noreceivedreceived/8Report
10204752020-11-04 08:00:01140.113.230.x/249916 (NCTU-TW)twn (Taiwan)noreceivedreceived/8Report

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