{"classifier_version":"1.0.0","generated":"2026-10-09T21:19:22+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 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":"168.151.232.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/168.151.232.0-168.151.239.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"not listed"},"current_holder":{"rir":"APNIC","org":"NAB Investment Holdings Pty Ltd","how":"the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":44336,"date":"2026-06-17T12:34:41Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Big Sky Services, Inc.","recipient_org":"NAB Investment Holdings Pty Ltd","range":"168.151.232.0/21"},{"id":41680,"date":"2025-10-10T20:04:39Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Intelligence Network, Inc.","recipient_org":"Big Sky Services, Inc.","range":"168.151.232.0/21"}],"events":[{"event_id":"6d7fb587cdcf9bba","report_date":"2026-06-17","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"168.151.232.0/21","start":"168.151.232.0","end":"168.151.239.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Big Sky Services, Inc.","recipient_organization":"NAB Investment Holdings Pty Ltd","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:30+00:00","page":"https://rirtracker.com/ip/168.151.232.0-168.151.239.255/#e-6d7fb587cdcf9bba","evidence_url":"https://rirtracker.com/api/v1/events/6d7fb587cdcf9bba.json","explanation":"ARIN's transfer log records a transfer from Big Sky Services, Inc. (ARIN) to NAB Investment Holdings Pty Ltd (APNIC) on 2026-06-17 12:34 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260618","retrieved_at":"2026-10-09T19:03:06+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 168.151.232.0/21 allocated on 2026-06-17, not listed on 2026-06-18"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-09T18:54:15+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-06-17 12:34 UTC, Big Sky Services, Inc. (ARIN) to NAB Investment Holdings Pty Ltd (APNIC); resources moved: 168.151.232.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260616","retrieved_at":"2026-10-09T19:02:59+00:00","summary":"ARIN delegated statistics 2026-06-16 (produced 2026-06-16T09:00:20+00:00), before the report: allocated (dated 1994-04-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260618","retrieved_at":"2026-10-09T19:03:06+00:00","summary":"ARIN delegated statistics 2026-06-18 (produced 2026-06-18T09:00:20+00:00), after the report: not listed"}]}],"classification_history":{"6d7fb587cdcf9bba":[{"raw_change_id":6876,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Big Sky Services, Inc. (ARIN) to NAB Investment Holdings Pty Ltd (APNIC) on 2026-06-17 12:34 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}]}}