{"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":"151.105.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/151.105.0.0-151.105.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1991-05-30)"},"current_holder":{"rir":"ARIN","org":"AFRY Group Finland Oy","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":45391,"date":"2026-08-31T15:44:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Jaakko Poyry Oy","recipient_org":"AFRY Group Finland Oy","range":"151.105.0.0/16","log":"ARIN"}],"events":[{"event_id":"bcb0149546abfd95","registry":"ARIN","report_date":"2026-08-31","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"151.105.0.0/16","start":"151.105.0.0","end":"151.105.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Jaakko Poyry Oy","recipient_organization":"AFRY Group Finland Oy","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","page":"https://rirtracker.com/ip/151.105.0.0-151.105.255.255/#e-bcb0149546abfd95","report_page":"https://rirtracker.com/arin/reports/2026-08-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/151.105.0.0-151.105.255.255.json","observed":"Merger/acquisition: Jaakko Poyry Oy (ARIN) to AFRY Group Finland Oy (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Jaakko Poyry Oy (ARIN) to AFRY Group Finland Oy (ARIN) on 2026-08-31 15:44 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 2026-08-31 15:44 UTC, Jaakko Poyry Oy (ARIN) to AFRY Group Finland Oy (ARIN); resources moved: 151.105.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260830","retrieved_at":"2026-10-09T19:06:54+00:00","summary":"ARIN delegated statistics 2026-08-30 (produced 2026-08-30T13:00:20+00:00), before the report: allocated (dated 1991-05-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260901","retrieved_at":"2026-10-09T19:07:00+00:00","summary":"ARIN delegated statistics 2026-09-01 (produced 2026-09-01T13:00:20+00:00), after the report: allocated (dated 1991-05-30)"}]}],"classification_history":{"bcb0149546abfd95":[{"raw_change_id":577133,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Jaakko Poyry Oy (ARIN) to AFRY Group Finland Oy (ARIN) on 2026-08-31 15:44 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 1991-05-30)"}}