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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 11:04:112a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
20606252025-11-12 09:35:312a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
20426892025-10-07 12:29:322a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
20365002025-09-26 06:05:562a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
20314242025-09-17 08:21:112a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
20222012025-09-01 11:42:352a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19853412025-06-26 20:22:352a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19778732025-06-13 10:25:132a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19778672025-06-13 10:17:532a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19593992025-05-12 17:36:422a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19593932025-05-12 17:18:122a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19386142025-04-03 14:56:442a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19308472025-03-20 09:20:532a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19308402025-03-20 09:06:342a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport
19187102025-02-27 20:48:322a04:9546:1fxx::/4051265 (MASSRESPONSE-AS2)aut (Austria)nounknownunknownnoneReport

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