{"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":"163.245.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/163.245.0.0-163.245.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1992-09-28), allocated (dated 2025-12-15), allocated (dated 2025-12-30), allocated (dated 2026-01-26), allocated (dated 2026-02-02)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":122845,"date":"2026-09-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"TA Consulting & Services UG","range":"163.245.32.0/19","log":"RIPE NCC"},{"id":45622,"date":"2026-09-17T14:31:48Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Purdue University Northwest","recipient_org":"TA Consulting & Services UG","range":"163.245.32.0/19","log":"ARIN"},{"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","log":"ARIN"},{"id":42679,"date":"2026-01-26T19:37:54Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Purdue University Northwest","recipient_org":"NH Broadband, LLC","range":"163.245.160.0/19","log":"ARIN"},{"id":118159,"date":"2026-01-12T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Reliable Communications s.r.o.","range":"163.245.224.0/19","log":"RIPE NCC"},{"id":42585,"date":"2026-01-12T15:17:30Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Purdue University Northwest","recipient_org":"Reliable Communications s.r.o.","range":"163.245.224.0/19","log":"ARIN"},{"id":42473,"date":"2025-12-30T12:17:32Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Purdue University Northwest","recipient_org":"OA.NET","range":"163.245.128.0/19","log":"ARIN"},{"id":42260,"date":"2025-12-15T20:27:23Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Purdue University Northwest","recipient_org":"Interserver, Inc","range":"163.245.192.0/19","log":"ARIN"},{"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","log":"ARIN"}],"events":[{"event_id":"78604c97861cf8d1","registry":"ARIN","report_date":"2017-08-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"163.245.0.0/16","start":"163.245.0.0","end":"163.245.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Purdue University North Central","recipient_organization":"Purdue University Northwest","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:31+00:00","page":"https://rirtracker.com/ip/163.245.0.0-163.245.255.255/#e-78604c97861cf8d1","report_page":"https://rirtracker.com/arin/reports/2017-08-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.245.0.0-163.245.255.255.json","observed":"Merger/acquisition: Purdue University North Central (ARIN) to Purdue University Northwest (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Purdue University North Central (ARIN) to Purdue University Northwest (ARIN) on 2017-08-28 14:52 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2017-08-28 14:52 UTC, Purdue University North Central (ARIN) to Purdue University Northwest (ARIN); resources moved: 163.245.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170827.gz","retrieved_at":"2026-10-12T21:33:23+00:00","summary":"ARIN delegated statistics 2017-08-27 (produced 2017-08-27T05:11:21+00:00), before the report: assigned (dated 1992-09-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170829.gz","retrieved_at":"2026-10-12T21:33:28+00:00","summary":"ARIN delegated statistics 2017-08-29 (produced 2017-08-29T05:10:56+00:00), after the report: assigned (dated 1992-09-28)"}]}],"classification_history":{"78604c97861cf8d1":[{"raw_change_id":552932,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:31+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Purdue University North Central (ARIN) to Purdue University Northwest (ARIN) on 2017-08-28 14:52 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"allocated (dated 1992-09-28), allocated (dated 2025-12-15), allocated (dated 2025-12-30), allocated (dated 2026-01-26), allocated (dated 2026-02-02)"}}