{"classifier_version":"1.1.0","generated":"2026-10-10T17:51:29+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the RIPE Network Coordination Centre (RIPE NCC), the Number Resource Organization (NRO), or any 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":"91.216.53.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/91.216.53.0-91.216.53.255/","statistics_now":{"registry":"RIPE NCC","file_date":"2026-10-09","status":"assigned (dated 2010-04-28)"},"current_holder":{"rir":"RIPE NCC","org":"JSC ALIAS","how":"RIPE NCC's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":118376,"date":"2026-01-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"JSC \"NTC STEK\"","recipient_org":"JSC ALIAS","range":"91.216.53.0/24","log":"RIPE NCC"}],"events":[{"event_id":"5ef6560dc2c32b17","registry":"RIPE NCC","report_date":"2026-01-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"91.216.53.0/24","start":"91.216.53.0","end":"91.216.53.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-RIPE NCC transfer","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"JSC \"NTC STEK\"","recipient_organization":"JSC ALIAS","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.1.0","classified_at":"2026-10-10T17:50:51+00:00","page":"https://rirtracker.com/ip/91.216.53.0-91.216.53.255/#e-5ef6560dc2c32b17","report_page":"https://rirtracker.com/ripe/reports/2026-01-22/","evidence_url":"https://rirtracker.com/api/v1/events/5ef6560dc2c32b17.json","observed":"Transfer: JSC \"NTC STEK\" (RIPE NCC) to JSC ALIAS (RIPE NCC)","explanation":"RIPE NCC's transfer log records a transfer from JSC \"NTC STEK\" (RIPE NCC) to JSC ALIAS (RIPE NCC) on 2026-01-22 19:00 UTC. The registration changed hands; it is not a new allocation from RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-10T17:24:28+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-01-22 19:00 UTC, JSC \"NTC STEK\" (RIPE NCC) to JSC ALIAS (RIPE NCC); resources moved: 91.216.53.0/24"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20260121.bz2","retrieved_at":"2026-10-10T17:25:37+00:00","summary":"RIPE NCC delegated statistics 2026-01-21 (produced 2026-01-21T22:59:59+00:00), before the change: assigned (dated 2010-04-28)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20260122.bz2","retrieved_at":"2026-10-10T17:25:40+00:00","summary":"RIPE NCC delegated statistics 2026-01-22 (produced 2026-01-22T22:59:59+00:00), after the change: assigned (dated 2010-04-28)"}]}],"classification_history":{"5ef6560dc2c32b17":[{"raw_change_id":8273,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.1.0","classified_at":"2026-10-10T17:50:51+00:00","current":1,"public_explanation":"RIPE NCC's transfer log records a transfer from JSC \"NTC STEK\" (RIPE NCC) to JSC ALIAS (RIPE NCC) on 2026-01-22 19:00 UTC. The registration changed hands; it is not a new allocation from RIPE NCC."}]},"arin_statistics_now":{"file_date":"2026-10-10","status":"not listed"}}