Revision-history array unavailable.
Canonical ID: TW-2026-0004. Source ID: TW-2026-0004. Hash ID: b194d117c375.
Additional source duration field: 0.6667 hours. It is retained separately from the minutes field and does not establish a verified event duration.
Complete source JSON
{
"affectedAsns": [],
"affectedDomains": [],
"affectedServices": [],
"anomalyRate": 0.8204614490866663,
"attribution": {
"asns_attributed": 0,
"domains_attributed": 0,
"methods": [
{
"evidence_count": 21,
"method": "outage"
}
],
"note": "Aggregated from this incident's 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 linked evidence for this incident (e.g. country/ASN-level outage signals).",
"sources": [
"ioda"
],
"top_asns": [],
"top_domains": []
},
"confidence": 0.75,
"corroboration": {
"description": "Single source: ioda",
"evidenceCount": 21,
"level": "low",
"score": 0.65,
"sourceCount": 1,
"sources": [
"ioda"
]
},
"country": "TW",
"countryName": "Taiwan",
"createdAt": "2026-06-20T18:00:15.148880",
"description": "IODA detected significant connectivity drop in Taiwan. 21 critical alerts recorded.",
"duration": 40,
"durationHours": 0.6667,
"endTime": "2026-06-20T12:20:00Z",
"evidence": [
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027840,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4202",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 463,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.980561555075594,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4202:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Chiayi City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027841,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4192",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 929,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9903121636167922,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4192:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Hsinchu City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027855,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4201",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 178,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9887640449438202,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4201:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Chiayi",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027956,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4196",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 371,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9568733153638814,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4196:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Miaoli",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027977,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4204",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 381,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9921259842519685,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4204:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Nantou",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028127,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4206",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 367,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9782016348773842,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4206:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Yunlin",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028288,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4190",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 280,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9821428571428571,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4190:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Pingtung",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028381,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4200",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 1068,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9812734082397003,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4200:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Changhua",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028396,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4195",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 435,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9885057471264368,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4195:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Keelung City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028528,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4198",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 4999,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9811962392478496,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4198:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for New Taipei City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028698,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4203",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 210,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9904761904761905,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4203:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Hualien",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028764,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4199",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 3373,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9845834568633264,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4199:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Taoyuan",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028782,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4194",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 227,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9779735682819384,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4194:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Yilan",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.85,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164028796,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T12:20:00Z",
"probeNodeId": null,
"regionCode": "4193",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 323,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.9938080495356038,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4193:1781958000",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Hsinchu",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.77,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164026739,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4207",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 127,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.5433070866141733,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4207:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Taitung",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.77,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164026888,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4197",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 12348,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.5063977972141237,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4197:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Taipei City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.75,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164026992,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4209",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 83,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.39759036144578314,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4209:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Kinmen",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.77,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027166,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4189",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 3708,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.5118662351672061,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4189:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Kaohsiung City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.77,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027167,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4191",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 2798,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.5125089349535382,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4191:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Tainan City",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.75,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027285,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4208",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 51,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.49019607843137253,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4208:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Penghu",
"upstreamSeverity": "critical"
},
{
"asn": null,
"blockingMethod": null,
"confidence": 0.77,
"continent": "Asia",
"countryCode": "TW",
"domain": null,
"domainCategory": null,
"id": 164027359,
"kind": "alert",
"linkConfidence": 0.8,
"linkReason": "Same country and date, critical level IODA alert",
"observedAt": "2026-06-20T11:40:00Z",
"probeNodeId": null,
"regionCode": "4205",
"retrievedAt": "2026-06-20T18:00:13.140908",
"riskTier": 4,
"signalBaseline": 6337,
"signalLevel": "critical",
"signalType": "outage",
"signalValue": 0.5010257219504497,
"source": "ioda",
"sourceRef": "ioda:alert:ping-slash24:region:4205:1781955600",
"sourceUrl": "https://ioda.inetintel.cc.gatech.edu/country/TW",
"unSubregion": "Eastern Asia",
"upstreamCause": null,
"upstreamClaim": "IODA detected critical level outage for Taichung City",
"upstreamSeverity": "critical"
}
],
"evidenceCount": 21,
"evidenceSourceBreakdown": {
"ioda": 21
},
"evidenceSpan": {
"earliest": "2026-06-20T11:40:00Z",
"latest": "2026-06-20T12:20:00Z"
},
"flag": "🇹🇼",
"generated_at_utc": "2026-09-21T19:12:17.774308Z",
"hashId": "b194d117c375",
"id": "TW-2026-0004",
"incidentType": "disruption",
"measurementCount": 21,
"mechanism": "Infrastructure outage",
"readableId": "TW-2026-0004",
"reportUrl": "https://api.voidly.ai/data/incidents/b194d117c375/report?format=markdown",
"revision": 1,
"severity": "critical",
"severityGrade": "B",
"sources": [
"ioda"
],
"startTime": "2026-06-20T11:40:00Z",
"status": "active",
"title": "Internet connectivity disruption in Taiwan",
"updatedAt": "2026-06-20T18:00:15.148880"
}