{"affectedAsns":[],"affectedDomains":[],"affectedServices":[],"anomalyRate":0.011705458010072138,"attribution":{"asns_attributed":0,"domains_attributed":0,"methods":[{"evidence_count":2,"method":"outage"}],"note":"Aggregated from this incident's qualifying linked evidence rows — only domains, ASNs, and blocking methods the evidence literally records are shown, with the per-item evidence count. No per-domain/per-ASN attribution is present in the qualifying linked evidence for this incident (e.g. country/ASN-level outage signals).","sources":["ioda"],"top_asns":[],"top_domains":[]},"confidence":0.67,"corroboration":{"description":"Single source label: ioda","evidenceCount":2,"level":"low","score":0.6,"sourceCount":1,"sources":["ioda"]},"country":"JP","countryName":"Japan","createdAt":"2026-08-28T18:00:08.209353","description":"IODA detected significant connectivity drop in Japan. 2 critical alerts recorded.","duration":60,"durationHours":1,"endTime":"2026-08-28T14:30:00Z","evidence":[{"asn":null,"blockingMethod":null,"citationScope":"signal_window","citationUrl":"https://ioda.inetintel.cc.gatech.edu/country/JP?from=1787875200&until=1787961600","confidence":0.65,"continent":"Asia","countryCode":"JP","domain":null,"domainCategory":null,"exactMeasurementLink":false,"id":368271026,"kind":"alert","linkConfidence":0.8,"linkReason":"Same country and date, critical level IODA alert","observedAt":"2026-08-28T14:30:00Z","probeNodeId":null,"regionCode":"2045","retrievedAt":"2026-08-28T18:00:04.558694","riskTier":4,"signalBaseline":22041,"signalLevel":"critical","signalType":"outage","signalValue":0.011705458010072138,"source":"ioda","sourceRef":"ioda:alert:bgp:region:2045:1787927400","sourceUrl":"https://ioda.inetintel.cc.gatech.edu/country/JP","unSubregion":"Eastern Asia","upstreamCause":null,"upstreamClaim":"IODA detected critical level outage for Hokkaido","upstreamSeverity":"critical"},{"asn":null,"blockingMethod":null,"citationScope":"signal_window","citationUrl":"https://ioda.inetintel.cc.gatech.edu/country/JP?from=1787875200&until=1787961600","confidence":0.65,"continent":"Asia","countryCode":"JP","domain":null,"domainCategory":null,"exactMeasurementLink":false,"id":368271014,"kind":"alert","linkConfidence":0.8,"linkReason":"Same country and date, critical level IODA alert","observedAt":"2026-08-28T13:30:00Z","probeNodeId":null,"regionCode":"2045","retrievedAt":"2026-08-28T18:00:04.558694","riskTier":4,"signalBaseline":22041,"signalLevel":"critical","signalType":"outage","signalValue":0.011705458010072138,"source":"ioda","sourceRef":"ioda:alert:bgp:region:2045:1787923800","sourceUrl":"https://ioda.inetintel.cc.gatech.edu/country/JP","unSubregion":"Eastern Asia","upstreamCause":null,"upstreamClaim":"IODA detected critical level outage for Hokkaido","upstreamSeverity":"critical"}],"evidenceCount":2,"evidenceSourceBreakdown":{"ioda":2},"evidenceSpan":{"earliest":"2026-08-28T13:30:00Z","latest":"2026-08-28T14:30:00Z"},"flag":"🇯🇵","generated_at_utc":"2026-10-23T10:28:06.023694Z","hashId":"11b4d0122003","id":"JP-2026-0020","incidentType":"disruption","measurementCount":2,"mechanism":"Infrastructure outage","normalOoniObservationCount":0,"normalOoniObservationNote":"These linked OONI rows carry the historical signal_level='normal' stored label and are quarantined from qualifying evidence pending regrade. The label is not proof that every row was accessible or anomaly-free: low-anomaly rows and rows with an omitted confirmed result may be present.","normalOoniObservations":[],"readableId":"JP-2026-0020","reportUrl":"https://api.voidly.ai/data/incidents/11b4d0122003/report?format=markdown","revision":1,"severity":"critical","severityGrade":"A","sources":["ioda"],"startTime":"2026-08-28T13:30:00Z","status":"active","title":"Internet connectivity disruption in Japan","updatedAt":"2026-08-28T18:00:08.209353"}