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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)yes✔blocked✔blockednoneReport
11403152021-05-10 16:27:31140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10439352020-12-10 04:11:57140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔blocked✔blockednoneReport
10439342020-12-10 04:05:33140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔rewritten✔rewrittennoneReport
10439322020-12-10 04:01:41140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔blocked✔blockednoneReport
10439302020-12-10 03:57:41140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔rewritten✔rewrittennoneReport
10439272020-12-10 03:52:14140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔rewritten✔rewrittennoneReport
10436342020-12-09 17:55:14140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10436302020-12-09 17:51:02140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10436002020-12-09 17:23:04140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10435752020-12-09 16:48:52140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10435642020-12-09 16:38:41140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10435622020-12-09 16:35:34140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10435562020-12-09 16:28:01140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10435502020-12-09 16:24:30140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10435162020-12-09 15:25:45140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10434812020-12-09 14:32:07140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10434352020-12-09 13:23:49140.113.230.x/249916 (NCTU-TW)twn (Taiwan)yes✔unknown✔unknownnoneReport
10242512020-11-10 10:14:46140.113.230.x/249916 (NCTU-TW)twn (Taiwan)no✔blocked✔blocked/23Report
10235572020-11-09 12:36:19140.113.230.x/249916 (NCTU-TW)twn (Taiwan)no✔received✔received/8Report
10204752020-11-04 08:00:01140.113.230.x/249916 (NCTU-TW)twn (Taiwan)no✔received✔received/8Report

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