{"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":"204.144.81.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.144.81.0-204.144.81.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1995-01-04)"},"current_holder":{"rir":"ARIN","org":"Oklahoma Office of Management & Enterprise Services","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":9258,"date":"2017-04-17T16:58:31Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OK Employment Security Commission","recipient_org":"Oklahoma Office of Management & Enterprise Services","range":"204.144.81.0/24","log":"ARIN"}],"events":[{"event_id":"3e5ae5ab1c5f1ffd","registry":"ARIN","report_date":"2017-04-17","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.144.81.0/24","start":"204.144.81.0","end":"204.144.81.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"OK Employment Security Commission","recipient_organization":"Oklahoma Office of Management & Enterprise Services","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:29+00:00","page":"https://rirtracker.com/ip/204.144.81.0-204.144.81.255/#e-3e5ae5ab1c5f1ffd","report_page":"https://rirtracker.com/arin/reports/2017-04-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.144.81.0-204.144.81.255.json","observed":"Merger/acquisition: OK Employment Security Commission (ARIN) to Oklahoma Office of Management & Enterprise Services (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from OK Employment Security Commission (ARIN) to Oklahoma Office of Management & Enterprise Services (ARIN) on 2017-04-17 16:58 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 2017-04-17 16:58 UTC, OK Employment Security Commission (ARIN) to Oklahoma Office of Management & Enterprise Services (ARIN); resources moved: 204.144.81.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170416.gz","retrieved_at":"2026-10-12T21:26:44+00:00","summary":"ARIN delegated statistics 2017-04-16 (produced 2017-04-16T05:11:04+00:00), before the report: assigned (dated 1995-01-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170418.gz","retrieved_at":"2026-10-12T21:26:49+00:00","summary":"ARIN delegated statistics 2017-04-18 (produced 2017-04-18T05:11:18+00:00), after the report: assigned (dated 1995-01-04)"}]}],"classification_history":{"3e5ae5ab1c5f1ffd":[{"raw_change_id":551805,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:29+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from OK Employment Security Commission (ARIN) to Oklahoma Office of Management & Enterprise Services (ARIN) on 2017-04-17 16:58 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 1995-01-04)"}}