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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
7464382019-09-07 16:19:0746.36.38.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneReport
7055282019-06-27 15:07:1846.36.38.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneReport
6873122019-05-27 13:59:5146.36.40.x/2451731 (GTT-AS)cze (Czech Republic)noblockedblockednoneReport
6873122019-05-27 13:59:512a02:25b0:aaxx::/4051731 (GTT-AS)cze (Czech Republic)noblockedblocked/32Report
6369852019-03-07 07:52:5746.36.40.x/2451731 (GTT-AS)cze (Czech Republic)noblockedblockednoneReport
6369852019-03-07 07:52:572a02:25b0:aaxx::/4051731 (GTT-AS)cze (Czech Republic)noblockedblocked/32Report
6369742019-03-07 07:32:2446.36.40.x/2451731 (GTT-AS)cze (Czech Republic)noblockedblockednoneReport
6369742019-03-07 07:32:242a02:25b0:aaxx::/4051731 (GTT-AS)cze (Czech Republic)noblockedblocked/32Report
6299792019-02-24 19:44:5546.36.35.x/2451731 (GTT-AS)cze (Czech Republic)noblockedblockednoneReport
6299792019-02-24 19:44:552a02:25b0:aaxx::/4051731 (GTT-AS)cze (Czech Republic)noblockedblocked/32Report
6174702019-02-02 19:58:5846.36.40.x/2451731 (GTT-AS)cze (Czech Republic)noblockedreceived/8Report
6174702019-02-02 19:58:582a02:25b0:aaxx::/4051731 (GTT-AS)cze (Czech Republic)noblockedblocked/32Report
3894992018-01-12 00:23:0146.36.38.x/2451731 (GTT-AS)cze (Czech Republic)noreceivedreceived/10Report
3850032018-01-04 23:16:3446.36.38.x/2451731 (GTT-AS)cze (Czech Republic)noreceivedreceived/9Report
1661582017-03-16 19:25:5246.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneReport
1610772017-03-08 21:05:3146.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesblockedblockednoneReport
1484362017-02-17 08:50:0646.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesunknownunknownnoneReport
1434642017-02-09 10:59:3446.36.36.x/2451731 (GTT-AS)cze (Czech Republic)yesunknownunknownnoneReport

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