{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other Regional Internet Registry. Classifications and hold-expiration dates are evidence-based interpretations and do not constitute confirmation that a resource is available for issuance or transfer.","resource":"AS21833","resource_type":"asn","page":"https://rirtracker.com/asn/21833/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2005-08-16)"},"current_holder":{"rir":"ARIN","org":"Trinity Health Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":2688,"date":"2021-12-17T22:39:28Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Trinity Information Services","recipient_org":"Trinity Health Corporation","range":"AS21833","log":"ARIN"}],"events":[{"event_id":"9fcc332606789a98","registry":"ARIN","report_date":"2021-12-17","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS21833","start":21833,"end":21833,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Trinity Information Services","recipient_organization":"Trinity Health Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:59+00:00","page":"https://rirtracker.com/asn/21833/#e-9fcc332606789a98","report_page":"https://rirtracker.com/arin/reports/2021-12-17/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/21833.json","observed":"Merger/acquisition: Trinity Information Services (ARIN) to Trinity Health Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Trinity Information Services (ARIN) to Trinity Health Corporation (ARIN) on 2021-12-17 22:39 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2021-12-17 22:39 UTC, Trinity Information Services (ARIN) to Trinity Health Corporation (ARIN); resources moved: AS21833"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211216.gz","retrieved_at":"2026-10-12T22:53:45+00:00","summary":"ARIN delegated statistics 2021-12-16 (produced 2021-12-16T14:00:12+00:00), before the report: assigned (dated 2005-08-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211218.gz","retrieved_at":"2026-10-12T22:54:00+00:00","summary":"ARIN delegated statistics 2021-12-18 (produced 2021-12-18T14:00:12+00:00), after the report: assigned (dated 2005-08-16)"}]}],"classification_history":{"9fcc332606789a98":[{"raw_change_id":564476,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:59+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Trinity Information Services (ARIN) to Trinity Health Corporation (ARIN) on 2021-12-17 22:39 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"assigned (dated 2005-08-16)"}}