{"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":"193.37.156.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/193.37.156.0-193.37.156.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 2006-10-23)"},"current_holder":{"rir":"RIPE NCC","org":"Osnova-Internet LLC","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":64485,"date":"2019-06-04T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Alfa Oil ltd.","recipient_org":"Osnova-Internet LLC","range":"193.37.156.0/24","log":"RIPE NCC"}],"events":[{"event_id":"b7242abd0c98cf83","registry":"RIPE NCC","report_date":"2019-06-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"193.37.156.0/24","start":"193.37.156.0","end":"193.37.156.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"Alfa Oil ltd.","recipient_organization":"Osnova-Internet LLC","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:54+00:00","page":"https://rirtracker.com/ip/193.37.156.0-193.37.156.255/#e-b7242abd0c98cf83","report_page":"https://rirtracker.com/ripe/reports/2019-06-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/193.37.156.0-193.37.156.255.json","observed":"Transfer: Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a transfer from Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC) on 2019-06-04 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: RESOURCE_TRANSFER on 2019-06-04 19:00 UTC, Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC); resources moved: 193.37.156.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190603.bz2","retrieved_at":"2026-10-12T22:11:48+00:00","summary":"RIPE NCC delegated statistics 2019-06-03 (produced 2019-06-03T21:59:59+00:00), before the change: assigned (dated 2006-10-23)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2019/delegated-ripencc-extended-20190604.bz2","retrieved_at":"2026-10-12T22:11:51+00:00","summary":"RIPE NCC delegated statistics 2019-06-04 (produced 2019-06-04T21:59:59+00:00), after the change: assigned (dated 2006-10-23)"}]}],"classification_history":{"b7242abd0c98cf83":[{"raw_change_id":64115,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:47:38+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC) on 2019-06-04 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":64115,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:57+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC) on 2019-06-04 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":64115,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:45:14+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC) on 2019-06-04 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."},{"raw_change_id":64115,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:47:54+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from Alfa Oil ltd. (RIPE NCC) to Osnova-Internet LLC (RIPE NCC) on 2019-06-04 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}