{"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":"AS2148","resource_type":"asn","page":"https://rirtracker.com/asn/2148/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1993-09-01)"},"current_holder":{"rir":"RIPE NCC","org":"National Research Center \"Kurchatov Institute\"","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":95118,"date":"2023-04-14T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \"","recipient_org":"National Research Center \"Kurchatov Institute\"","range":"AS2148","log":"RIPE NCC"}],"events":[{"event_id":"59e84b2af4521400","registry":"RIPE NCC","report_date":"2023-04-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS2148","start":2148,"end":2148,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \"","recipient_organization":"National Research Center \"Kurchatov Institute\"","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:30+00:00","page":"https://rirtracker.com/asn/2148/#e-59e84b2af4521400","report_page":"https://rirtracker.com/ripe/reports/2023-04-14/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/2148.json","observed":"Merger/acquisition: Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC) on 2023-04-14 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-13T21:49:37+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2023-04-14 19:00 UTC, Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC); resources moved: AS2148"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230413.bz2","retrieved_at":"2026-10-13T00:00:15+00:00","summary":"RIPE NCC delegated statistics 2023-04-13 (produced 2023-04-13T21:59:59+00:00), before the change: allocated (dated 1993-09-01)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2023/delegated-ripencc-extended-20230414.bz2","retrieved_at":"2026-10-13T00:00:18+00:00","summary":"RIPE NCC delegated statistics 2023-04-14 (produced 2023-04-14T21:59:59+00:00), after the change: allocated (dated 1993-09-01)"}]}],"classification_history":{"59e84b2af4521400":[{"raw_change_id":95570,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:00:46+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC) on 2023-04-14 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":95570,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:15+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC) on 2023-04-14 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":95570,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:46:41+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC) on 2023-04-14 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":95570,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:30+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from Federal State Budgetary Institution \"Institute of Theoretical and Experimental Physics named after A.I. Alikhanov National Research Center\" Kurchatov Institute \" (RIPE NCC) to National Research Center \"Kurchatov Institute\" (RIPE NCC) on 2023-04-14 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}