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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
20711072025-12-01 02:37:5558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710892025-12-01 01:54:3558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710822025-12-01 01:31:1658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710782025-12-01 01:17:5558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20683732025-11-26 01:03:2158.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/11Report
20601182025-11-11 11:08:0558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20505362025-10-21 01:13:5658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
20497732025-10-20 01:19:0058.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
20447902025-10-11 01:24:4358.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20372142025-09-27 07:17:5758.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20352522025-09-24 01:51:4858.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20352452025-09-24 01:28:2358.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20352402025-09-24 01:14:5258.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20346542025-09-23 01:23:1358.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20152682025-08-19 08:24:0458.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
20085522025-08-07 01:11:2958.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20046322025-07-31 05:20:3258.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20046282025-07-31 05:07:1958.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
19597142025-05-13 02:27:5658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19554012025-05-06 01:19:3958.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19553972025-05-06 01:11:2358.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19491172025-04-24 01:12:3958.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
19372502025-04-01 10:39:2058.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19372372025-04-01 10:18:1158.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19326452025-03-24 04:39:4858.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19326082025-03-24 01:09:4558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19259332025-03-12 01:46:0658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)nounknownunknownnoneReport
19133372025-02-19 03:24:2558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report
19094762025-02-12 02:16:1658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
18989612025-01-24 04:47:3858.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedblocked/18Report
18456672024-10-17 08:12:1258.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
18345702024-09-26 05:29:0658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/8Report

All results shown
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