{"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":"216.147.192.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.147.192.0-216.147.207.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2001-01-05)"},"current_holder":{"rir":"ARIN","org":"Sinclair Broadcast Group","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":11500,"date":"2017-11-27T20:38:59Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Politico, LLC","recipient_org":"Sinclair Broadcast Group","range":"216.147.192.0/20","log":"ARIN"}],"events":[{"event_id":"a1565a65345f9132","registry":"ARIN","report_date":"2017-11-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.147.192.0/20","start":"216.147.192.0","end":"216.147.207.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Politico, LLC","recipient_organization":"Sinclair Broadcast Group","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","page":"https://rirtracker.com/ip/216.147.192.0-216.147.207.255/#e-a1565a65345f9132","report_page":"https://rirtracker.com/arin/reports/2017-11-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.147.192.0-216.147.207.255.json","observed":"Merger/acquisition: Politico, LLC (ARIN) to Sinclair Broadcast Group (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Politico, LLC (ARIN) to Sinclair Broadcast Group (ARIN) on 2017-11-27 20:38 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 2017-11-27 20:38 UTC, Politico, LLC (ARIN) to Sinclair Broadcast Group (ARIN); resources moved: 216.147.192.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171126.gz","retrieved_at":"2026-10-12T21:37:57+00:00","summary":"ARIN delegated statistics 2017-11-26 (produced 2017-11-26T06:08:28+00:00), before the report: assigned (dated 2001-01-05)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171128.gz","retrieved_at":"2026-10-12T21:38:02+00:00","summary":"ARIN delegated statistics 2017-11-28 (produced 2017-11-28T06:09:49+00:00), after the report: assigned (dated 2001-01-05)"}]}],"classification_history":{"a1565a65345f9132":[{"raw_change_id":553412,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Politico, LLC (ARIN) to Sinclair Broadcast Group (ARIN) on 2017-11-27 20:38 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 2001-01-05)"}}