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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
11835402021-07-21 13:32:35219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesblockedblockednoneReport
9061292020-06-04 03:34:22219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewrittennoneReport
9055392020-06-03 05:15:42219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewrittennoneReport
9050212020-06-02 09:38:00219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewrittennoneReport
1607262017-03-08 07:49:02219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesblockedblockednoneReport
1600592017-03-07 05:51:41219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesunknownblockednoneReport
1514842017-02-22 13:03:17219.230.81.x/244538 (ERX-CERNET-BKB)chn (China)yesblockedblockednoneReport

All results shown
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