{"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":"27.121.112.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/27.121.112.0-27.121.113.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2010-09-09)"},"current_holder":{"rir":"APNIC","org":"Indonesia Network Information Center/NUSA-ID","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":131370,"date":"2025-11-20T07:21:40Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Ultima Computer Systems","recipient_org":"Indonesia Network Information Center/NUSA-ID","range":"27.121.112.0/23","log":"APNIC"}],"events":[{"event_id":"6f2d0a26c890226d","registry":"APNIC","report_date":"2025-11-20","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"27.121.112.0/23","start":"27.121.112.0","end":"27.121.113.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Ultima Computer Systems","recipient_organization":"Indonesia Network Information Center/NUSA-ID","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:58+00:00","page":"https://rirtracker.com/ip/27.121.112.0-27.121.113.255/#e-6f2d0a26c890226d","report_page":"https://rirtracker.com/apnic/reports/2025-11-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/27.121.112.0-27.121.113.255.json","observed":"Transfer: Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC)","explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC) on 2025-11-20 07:21 UTC. The registration changed hands; it is not a new allocation from APNIC.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-11-20 07:21 UTC, Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC); resources moved: 27.121.112.0/23"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251120.gz","retrieved_at":"2026-10-13T01:51:29+00:00","summary":"APNIC delegated statistics 2025-11-20, before the change: allocated (dated 2010-09-09)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20251121.gz","retrieved_at":"2026-10-13T01:51:33+00:00","summary":"APNIC delegated statistics 2025-11-21, after the change: allocated (dated 2010-09-09)"}]}],"classification_history":{"6f2d0a26c890226d":[{"raw_change_id":44491,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:39:36+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC) on 2025-11-20 07:21 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":44491,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:10+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC) on 2025-11-20 07:21 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":44491,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:22+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC) on 2025-11-20 07:21 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":44491,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:58+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Ultima Computer Systems (APNIC) to Indonesia Network Information Center/NUSA-ID (APNIC) on 2025-11-20 07:21 UTC. The registration changed hands; it is not a new allocation from APNIC."}]},"arin_statistics_now":{"status":"not listed"}}