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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
16908552023-12-21 06:20:58211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
16753932023-11-22 05:39:06211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
16668422023-11-06 05:57:09211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
16481812023-10-02 10:41:50211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
16368582023-09-11 03:55:35211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
16321422023-09-01 11:40:36211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
16321332023-09-01 11:30:17211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
16319972023-09-01 02:10:42211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
16258922023-08-21 06:24:55211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
16193522023-08-09 03:06:03211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
16151982023-08-01 03:39:06211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
16146042023-07-31 07:11:30211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
15999132023-07-03 06:36:26211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
15939322023-06-21 06:42:39211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15904792023-06-14 10:14:21211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15844512023-06-02 09:13:59211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15844062023-06-02 07:35:25211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15682542023-05-02 09:48:15211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15649722023-04-25 07:00:41211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15578302023-04-11 07:26:40211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15577932023-04-11 06:12:21211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15577642023-04-11 04:36:05211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15446672023-03-17 03:29:46211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15427742023-03-14 08:04:39211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15280852023-02-15 11:00:16211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15238892023-02-08 06:01:16211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15077762023-01-09 10:10:45211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
15023172022-12-30 04:43:37211.21.159.x/243462 (HINET)twn (Taiwan)yesblockedblockednoneReport
14643832022-10-24 08:03:00211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
14567662022-10-14 04:28:12211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport
14401652022-09-14 06:03:23211.21.159.x/243462 (HINET)twn (Taiwan)yesrewrittenrewrittennoneReport

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