{"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":"205.189.238.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/205.189.238.0-205.189.239.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1995-03-22)"},"current_holder":{"rir":"ARIN","org":"UBS AG","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":25121,"date":"2021-07-16T16:16:41Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Union Bank of Switzerland","recipient_org":"UBS AG","range":"205.189.238.0/23","log":"ARIN"}],"events":[{"event_id":"4bdfee2d4b2c84fe","registry":"ARIN","report_date":"2021-07-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"205.189.238.0/23","start":"205.189.238.0","end":"205.189.239.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Union Bank of Switzerland","recipient_organization":"UBS AG","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:57+00:00","page":"https://rirtracker.com/ip/205.189.238.0-205.189.239.255/#e-4bdfee2d4b2c84fe","report_page":"https://rirtracker.com/arin/reports/2021-07-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/205.189.238.0-205.189.239.255.json","observed":"Merger/acquisition: Union Bank of Switzerland (ARIN) to UBS AG (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Union Bank of Switzerland (ARIN) to UBS AG (ARIN) on 2021-07-16 16:16 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 2021-07-16 16:16 UTC, Union Bank of Switzerland (ARIN) to UBS AG (ARIN); resources moved: 205.189.238.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210715.gz","retrieved_at":"2026-10-12T22:45:44+00:00","summary":"ARIN delegated statistics 2021-07-15 (produced 2021-07-15T14:00:12+00:00), before the report: assigned (dated 1995-03-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210717.gz","retrieved_at":"2026-10-12T22:45:58+00:00","summary":"ARIN delegated statistics 2021-07-17 (produced 2021-07-17T14:00:14+00:00), after the report: assigned (dated 1995-03-22)"}]}],"classification_history":{"4bdfee2d4b2c84fe":[{"raw_change_id":563578,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:57+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Union Bank of Switzerland (ARIN) to UBS AG (ARIN) on 2021-07-16 16:16 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":"allocated (dated 1995-03-22)"}}