{"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":"144.141.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/144.141.0.0-144.141.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1990-12-11)"},"current_holder":{"rir":"ARIN","org":"Navy Network Information Center (NNIC)","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18139,"date":"2019-06-05T18:50:54Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"DoD Network Information Center","recipient_org":"Navy Network Information Center (NNIC)","range":"144.141.0.0/16","log":"ARIN"}],"events":[{"event_id":"0359fb4402157b92","registry":"ARIN","report_date":"2019-06-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"144.141.0.0/16","start":"144.141.0.0","end":"144.141.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"DoD Network Information Center","recipient_organization":"Navy Network Information Center (NNIC)","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","page":"https://rirtracker.com/ip/144.141.0.0-144.141.255.255/#e-0359fb4402157b92","report_page":"https://rirtracker.com/arin/reports/2019-06-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/144.141.0.0-144.141.255.255.json","observed":"Merger/acquisition: DoD Network Information Center (ARIN) to Navy Network Information Center (NNIC) (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from DoD Network Information Center (ARIN) to Navy Network Information Center (NNIC) (ARIN) on 2019-06-05 18:50 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 2019-06-05 18:50 UTC, DoD Network Information Center (ARIN) to Navy Network Information Center (NNIC) (ARIN); resources moved: 144.141.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190604.gz","retrieved_at":"2026-10-12T22:06:02+00:00","summary":"ARIN delegated statistics 2019-06-04 (produced 2019-06-04T05:00:16+00:00), before the report: assigned (dated 1990-12-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190606.gz","retrieved_at":"2026-10-12T22:06:08+00:00","summary":"ARIN delegated statistics 2019-06-06 (produced 2019-06-06T14:00:16+00:00), after the report: assigned (dated 1990-12-11)"}]}],"classification_history":{"0359fb4402157b92":[{"raw_change_id":558857,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:45+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from DoD Network Information Center (ARIN) to Navy Network Information Center (NNIC) (ARIN) on 2019-06-05 18:50 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 1990-12-11)"}}