{"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":"AS16989","resource_type":"asn","page":"https://rirtracker.com/asn/16989/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2000-07-11)"},"current_holder":{"rir":"ARIN","org":"The University of Tennessee Health Science Center","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":4560,"date":"2025-06-06T11:59:04Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"The University of Tennessee, Memphis","recipient_org":"The University of Tennessee Health Science Center","range":"AS16989","log":"ARIN"}],"events":[{"event_id":"71c575f43b77a2d0","registry":"ARIN","report_date":"2025-06-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS16989","start":16989,"end":16989,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"The University of Tennessee, Memphis","recipient_organization":"The University of Tennessee Health Science Center","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:22+00:00","page":"https://rirtracker.com/asn/16989/#e-71c575f43b77a2d0","report_page":"https://rirtracker.com/arin/reports/2025-06-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/16989.json","observed":"Merger/acquisition: The University of Tennessee, Memphis (ARIN) to The University of Tennessee Health Science Center (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from The University of Tennessee, Memphis (ARIN) to The University of Tennessee Health Science Center (ARIN) on 2025-06-06 11:59 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 2025-06-06 11:59 UTC, The University of Tennessee, Memphis (ARIN) to The University of Tennessee Health Science Center (ARIN); resources moved: AS16989"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250605.gz","retrieved_at":"2026-10-13T00:01:09+00:00","summary":"ARIN delegated statistics 2025-06-05 (produced 2025-06-05T13:01:11+00:00), before the report: assigned (dated 2000-07-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250607.gz","retrieved_at":"2026-10-13T00:01:14+00:00","summary":"ARIN delegated statistics 2025-06-07 (produced 2025-06-07T13:01:14+00:00), after the report: assigned (dated 2000-07-11)"}]}],"classification_history":{"71c575f43b77a2d0":[{"raw_change_id":573767,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:22+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from The University of Tennessee, Memphis (ARIN) to The University of Tennessee Health Science Center (ARIN) on 2025-06-06 11:59 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 2000-07-11)"}}