{"affectedAsns":["AS37349"],"affectedDomains":["twitter.com"],"affectedServices":["Twitter/X","X"],"anomalyRate":0.019230769230769232,"attribution":{"asns_attributed":1,"domains_attributed":1,"methods":[{"evidence_count":1,"method":"outage"},{"evidence_count":1,"method":"http-blocking-timeout"}],"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.","sources":["censoredplanet","ioda"],"top_asns":[{"asn":"AS37349","evidence_count":1}],"top_domains":[{"domain":"twitter.com","evidence_count":1}]},"confidence":0.65,"corroboration":{"description":"2 source labels present (ioda, censoredplanet); target/time agreement not verified","evidenceCount":2,"level":"medium","score":0.8,"sourceCount":2,"sources":["ioda","censoredplanet"]},"country":"TZ","countryName":"Tanzania","createdAt":"2026-04-22T00:00:04.441925","description":"IODA detected significant connectivity drop in Tanzania. 1 critical alerts recorded. CenAlert confirms censorship activity.","duration":null,"durationHours":0,"endTime":null,"evidence":[{"asn":null,"blockingMethod":null,"citationScope":"signal_window","citationUrl":"https://ioda.inetintel.cc.gatech.edu/country/TZ?from=1776729600&until=1776816000","confidence":0.65,"continent":"Africa","countryCode":"TZ","domain":null,"domainCategory":null,"exactMeasurementLink":false,"id":36687104,"kind":"alert","linkConfidence":0.8,"linkReason":"Same country and date, critical level IODA alert","observedAt":"2026-04-21T22:10:00Z","probeNodeId":null,"regionCode":"4220","retrievedAt":"2026-04-22T00:00:03.612802","riskTier":3,"signalBaseline":52,"signalLevel":"critical","signalType":"outage","signalValue":0.019230769230769232,"source":"ioda","sourceRef":"ioda:alert:bgp:region:4220:1776809400","sourceUrl":"https://ioda.inetintel.cc.gatech.edu/country/TZ","unSubregion":"Eastern Africa","upstreamCause":null,"upstreamClaim":"IODA detected critical level outage for Morogoro","upstreamSeverity":"critical"},{"asn":37349,"blockingMethod":null,"citationScope":"publisher_portal","citationUrl":"https://data.censoredplanet.org","confidence":0.8681818181818182,"continent":"Africa","countryCode":"TZ","domain":"twitter.com","domainCategory":"GRP","exactMeasurementLink":false,"id":37408555,"kind":"http-probe","linkConfidence":0.8,"linkReason":"CenAlert event for same country and date range","observedAt":"2026-04-21T00:00:00Z","probeNodeId":null,"regionCode":null,"retrievedAt":"2026-04-22T15:46:50.567126Z","riskTier":3,"signalBaseline":null,"signalLevel":"critical","signalType":"http-blocking-timeout","signalValue":0.7272727272727273,"source":"censoredplanet","sourceRef":"censoredplanet:hyperquack:HTTPS:TZ:twitter.com:2026-04-21","sourceUrl":"https://data.censoredplanet.org","unSubregion":"Eastern Africa","upstreamCause":null,"upstreamClaim":"HTTPS blocking (timeout): 8/11 probes blocked (72.7%) for twitter.com","upstreamSeverity":null}],"evidenceCount":2,"evidenceSourceBreakdown":{"censoredplanet":1,"ioda":1},"evidenceSpan":{"earliest":"2026-04-21T00:00:00Z","latest":"2026-04-21T22:10:00Z"},"flag":"🇹🇿","generated_at_utc":"2026-11-07T01:31:16.393193Z","hashId":"8edcf8a67884","id":"TZ-2026-0039","incidentType":"mixed","measurementCount":1,"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":"TZ-2026-0039","reportUrl":"https://api.voidly.ai/data/incidents/8edcf8a67884/report?format=markdown","revision":4,"severity":"critical","severityGrade":"B","sources":["ioda","censoredplanet"],"startTime":"2026-04-21T22:10:00Z","status":"suspected","title":"Internet connectivity disruption in Tanzania","updatedAt":"2026-06-09T21:43:06Z"}