{"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":"161.208.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.208.0.0-161.208.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1993-02-10)"},"current_holder":{"rir":"ARIN","org":"Cambia Health Solutions, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":36826,"date":"2024-09-26T10:53:48Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Regence Blue Cross Blue Shield of Oregon","recipient_org":"Cambia Health Solutions, Inc.","range":"161.208.0.0/16","log":"ARIN"}],"events":[{"event_id":"b0efc997b888e41b","registry":"ARIN","report_date":"2024-09-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.208.0.0/16","start":"161.208.0.0","end":"161.208.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Regence Blue Cross Blue Shield of Oregon","recipient_organization":"Cambia Health Solutions, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:17+00:00","page":"https://rirtracker.com/ip/161.208.0.0-161.208.255.255/#e-b0efc997b888e41b","report_page":"https://rirtracker.com/arin/reports/2024-09-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.208.0.0-161.208.255.255.json","observed":"Merger/acquisition: Regence Blue Cross Blue Shield of Oregon (ARIN) to Cambia Health Solutions, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Regence Blue Cross Blue Shield of Oregon (ARIN) to Cambia Health Solutions, Inc. (ARIN) on 2024-09-26 10:53 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 2024-09-26 10:53 UTC, Regence Blue Cross Blue Shield of Oregon (ARIN) to Cambia Health Solutions, Inc. (ARIN); resources moved: 161.208.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240925.gz","retrieved_at":"2026-10-12T23:47:16+00:00","summary":"ARIN delegated statistics 2024-09-25 (produced 2024-09-25T13:00:53+00:00), before the report: allocated (dated 1993-02-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240927.gz","retrieved_at":"2026-10-12T23:47:20+00:00","summary":"ARIN delegated statistics 2024-09-27 (produced 2024-09-27T13:00:52+00:00), after the report: allocated (dated 1993-02-10)"}]}],"classification_history":{"b0efc997b888e41b":[{"raw_change_id":571768,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:17+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Regence Blue Cross Blue Shield of Oregon (ARIN) to Cambia Health Solutions, Inc. (ARIN) on 2024-09-26 10:53 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 1993-02-10)"}}