{"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":"AS63454","resource_type":"asn","page":"https://rirtracker.com/asn/63454/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2015-03-16)"},"current_holder":{"rir":"ARIN","org":"Summit Health Management, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":2975,"date":"2022-08-19T16:26:24Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"City Practice Group of New York LLC","recipient_org":"Summit Health Management, LLC","range":"AS63454","log":"ARIN"}],"events":[{"event_id":"9bff2e30ba069271","registry":"ARIN","report_date":"2022-08-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS63454","start":63454,"end":63454,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"City Practice Group of New York LLC","recipient_organization":"Summit Health Management, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:03+00:00","page":"https://rirtracker.com/asn/63454/#e-9bff2e30ba069271","report_page":"https://rirtracker.com/arin/reports/2022-08-19/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/63454.json","observed":"Merger/acquisition: City Practice Group of New York LLC (ARIN) to Summit Health Management, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from City Practice Group of New York LLC (ARIN) to Summit Health Management, LLC (ARIN) on 2022-08-19 16:26 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 2022-08-19 16:26 UTC, City Practice Group of New York LLC (ARIN) to Summit Health Management, LLC (ARIN); resources moved: AS63454"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220818.gz","retrieved_at":"2026-10-12T23:06:22+00:00","summary":"ARIN delegated statistics 2022-08-18 (produced 2022-08-18T13:00:10+00:00), before the report: assigned (dated 2015-03-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220820.gz","retrieved_at":"2026-10-12T23:06:27+00:00","summary":"ARIN delegated statistics 2022-08-20 (produced 2022-08-20T13:00:10+00:00), after the report: assigned (dated 2015-03-16)"}]}],"classification_history":{"9bff2e30ba069271":[{"raw_change_id":566182,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:03+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from City Practice Group of New York LLC (ARIN) to Summit Health Management, LLC (ARIN) on 2022-08-19 16:26 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 2015-03-16)"}}