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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
20731162025-12-04 11:04:1141.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
20606252025-11-12 09:35:3141.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
20426892025-10-07 12:29:3241.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
20365002025-09-26 06:05:5641.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
20314242025-09-17 08:21:1141.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
20222012025-09-01 11:42:3541.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19853412025-06-26 20:22:3541.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19778732025-06-13 10:25:1341.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19778672025-06-13 10:17:5341.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19593992025-05-12 17:36:4241.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19593932025-05-12 17:18:1241.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19386142025-04-03 14:56:4441.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19308472025-03-20 09:20:5341.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19308402025-03-20 09:06:3441.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport
19187102025-02-27 20:48:3241.66.119.x/2451265 (MASSRESPONSE-AS2)aut (Austria)yesblockedblockednoneReport

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