{"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":"AS54063","resource_type":"asn","page":"https://rirtracker.com/asn/54063/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2011-09-19)"},"current_holder":{"rir":"ARIN","org":"Memorial Hermann Health System","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":825,"date":"2017-12-11T17:13:32Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Memorial Hermann Healthcare System","recipient_org":"Memorial Hermann Health System","range":"AS54063","log":"ARIN"}],"events":[{"event_id":"a549c87253415e5d","registry":"ARIN","report_date":"2017-12-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS54063","start":54063,"end":54063,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Memorial Hermann Healthcare System","recipient_organization":"Memorial Hermann Health System","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:33+00:00","page":"https://rirtracker.com/asn/54063/#e-a549c87253415e5d","report_page":"https://rirtracker.com/arin/reports/2017-12-11/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/54063.json","observed":"Merger/acquisition: Memorial Hermann Healthcare System (ARIN) to Memorial Hermann Health System (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Memorial Hermann Healthcare System (ARIN) to Memorial Hermann Health System (ARIN) on 2017-12-11 17:13 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 2017-12-11 17:13 UTC, Memorial Hermann Healthcare System (ARIN) to Memorial Hermann Health System (ARIN); resources moved: AS54063"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171210.gz","retrieved_at":"2026-10-12T21:38:33+00:00","summary":"ARIN delegated statistics 2017-12-10 (produced 2017-12-10T06:09:32+00:00), before the report: assigned (dated 2011-09-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171212.gz","retrieved_at":"2026-10-12T21:38:38+00:00","summary":"ARIN delegated statistics 2017-12-12 (produced 2017-12-12T06:08:49+00:00), after the report: assigned (dated 2011-09-19)"}]}],"classification_history":{"a549c87253415e5d":[{"raw_change_id":553483,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:33+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Memorial Hermann Healthcare System (ARIN) to Memorial Hermann Health System (ARIN) on 2017-12-11 17:13 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 2011-09-19)"}}