{"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":"144.210.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/144.210.0.0-144.210.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1991-01-15)"},"current_holder":{"rir":"ARIN","org":"The Interpublic Group of Companies, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":32592,"date":"2023-07-31T15:55:51Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Bozell Incorporated","recipient_org":"The Interpublic Group of Companies, Inc.","range":"144.210.0.0/16","log":"ARIN"}],"events":[{"event_id":"b36e263874bc186a","registry":"ARIN","report_date":"2023-07-31","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"144.210.0.0/16","start":"144.210.0.0","end":"144.210.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Bozell Incorporated","recipient_organization":"The Interpublic Group of Companies, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:09+00:00","page":"https://rirtracker.com/ip/144.210.0.0-144.210.255.255/#e-b36e263874bc186a","report_page":"https://rirtracker.com/arin/reports/2023-07-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/144.210.0.0-144.210.255.255.json","observed":"Merger/acquisition: Bozell Incorporated (ARIN) to The Interpublic Group of Companies, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Bozell Incorporated (ARIN) to The Interpublic Group of Companies, Inc. (ARIN) on 2023-07-31 15:55 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 2023-07-31 15:55 UTC, Bozell Incorporated (ARIN) to The Interpublic Group of Companies, Inc. (ARIN); resources moved: 144.210.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230730.gz","retrieved_at":"2026-10-12T23:24:43+00:00","summary":"ARIN delegated statistics 2023-07-30 (produced 2023-07-30T13:00:10+00:00), before the report: allocated (dated 1991-01-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230801.gz","retrieved_at":"2026-10-12T23:24:48+00:00","summary":"ARIN delegated statistics 2023-08-01 (produced 2023-08-01T13:00:12+00:00), after the report: allocated (dated 1991-01-15)"}]}],"classification_history":{"b36e263874bc186a":[{"raw_change_id":568884,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:09+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Bozell Incorporated (ARIN) to The Interpublic Group of Companies, Inc. (ARIN) on 2023-07-31 15:55 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 1991-01-15)"}}