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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
18498562024-10-24 17:49:1377.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18447082024-10-15 17:59:5277.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18389332024-10-04 10:32:3077.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18329962024-09-23 11:51:0877.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18291952024-09-15 19:17:3577.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18253812024-09-08 18:10:4777.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18208912024-08-30 18:25:4477.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
18108322024-08-10 19:07:5177.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17963342024-07-13 18:29:5177.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17920322024-07-05 19:15:2977.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17824722024-06-18 17:43:0977.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17743862024-06-04 13:58:5777.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17701302024-05-27 19:11:4777.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17663032024-05-20 17:34:2777.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17623062024-05-12 17:28:4077.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17574612024-05-02 19:07:1577.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17538842024-04-25 17:59:5277.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17504042024-04-18 16:53:2977.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport
17441332024-04-06 10:40:0377.251.71.x/2433915 (TNF-AS)nld (Netherlands)yesblockedblockednoneReport

All results shown
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