{"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":"163.245.0.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/163.245.0.0-163.245.31.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-02-02)"},"current_holder":{"rir":"ARIN","org":"Central Access, Inc.","how":"ARIN's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42707,"date":"2026-02-02T17:06:10Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Purdue University Northwest","recipient_org":"Central Access, Inc.","range":"163.245.0.0/19"},{"id":10692,"date":"2017-08-28T14:52:26Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Purdue University North Central","recipient_org":"Purdue University Northwest","range":"163.245.0.0/16"}],"events":[{"event_id":"516e9ba01d094b59","report_date":"2026-02-02","source":"arin_issued","raw_action":"ADD","raw_line":"Add 163.245.0.0-163.245.31.255","resource_type":"ipv4","resource":"163.245.0.0/19","start":"163.245.0.0","end":"163.245.31.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Purdue University Northwest","recipient_organization":"Central Access, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:18+00:00","page":"https://rirtracker.com/ip/163.245.0.0-163.245.31.255/#e-516e9ba01d094b59","evidence_url":"https://rirtracker.com/api/v1/events/516e9ba01d094b59.json","piece_of":{"resource":"163.245.0.0/17","page":"https://rirtracker.com/ip/163.245.0.0-163.245.127.255/"},"explanation":"ARIN's transfer log records a transfer from Purdue University Northwest (ARIN) to Central Access, Inc. (ARIN) on 2026-02-02 17:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-February/006260.html","retrieved_at":"2026-10-09T18:53:54+00:00","summary":"ARIN-Issued report for 2026-02-02: \"Add 163.245.0.0-163.245.31.255\""},{"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 2026-02-02 17:06 UTC, Purdue University Northwest (ARIN) to Central Access, Inc. (ARIN); resources moved: 163.245.0.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260201","retrieved_at":"2026-10-09T18:55:54+00:00","summary":"ARIN delegated statistics 2026-02-01 (produced 2026-02-01T14:00:51+00:00), before the report: allocated (dated 1992-09-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260203","retrieved_at":"2026-10-09T18:56:01+00:00","summary":"ARIN delegated statistics 2026-02-03 (produced 2026-02-03T14:00:49+00:00), after the report: allocated (dated 2026-02-02)"}]}],"classification_history":{"516e9ba01d094b59":[{"raw_change_id":539,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:18+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Purdue University Northwest (ARIN) to Central Access, Inc. (ARIN) on 2026-02-02 17:06 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}