{"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":"199.104.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/199.104.0.0-199.104.63.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1994-01-10), allocated (dated 2025-07-24), allocated (dated 2025-11-05), allocated (dated 2026-01-15), allocated (dated 2026-02-06), allocated (dated 2026-03-02), allocated (dated 2026-06-17)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":123284,"date":"2026-10-01T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"UAB Simurgh","range":"199.104.32.0/19","log":"RIPE NCC"},{"id":45762,"date":"2026-10-01T14:21:18Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"University of Idaho","recipient_org":"UAB Simurgh","range":"199.104.32.0/19","log":"ARIN"},{"id":121806,"date":"2026-07-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Securebit AG","range":"199.104.14.0/23","log":"RIPE NCC"},{"id":44841,"date":"2026-07-20T14:21:24Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"University of Idaho","recipient_org":"Securebit AG","range":"199.104.14.0/23","log":"ARIN"},{"id":44346,"date":"2026-06-18T00:10:38Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"Piedmont Healthcare, Inc.","range":"199.104.21.0/24","log":"ARIN"},{"id":43039,"date":"2026-03-02T12:31:04Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"Jazz Basketball Investors LLC","range":"199.104.11.0/24","log":"ARIN"},{"id":42737,"date":"2026-02-06T20:35:03Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"Catawba Two Kings Casino","range":"199.104.20.0/24","log":"ARIN"},{"id":42605,"date":"2026-01-15T12:07:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"Kiwi Technology Consulting LLC","range":"199.104.22.0/24","log":"ARIN"},{"id":41965,"date":"2025-11-05T18:07:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"Treasure Valley Community College","range":"199.104.9.0/24","log":"ARIN"},{"id":40992,"date":"2025-07-24T18:03:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"ARK Data Centers LLC","range":"199.104.8.0/24","log":"ARIN"},{"id":40995,"date":"2025-07-24T18:03:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"ARK Data Centers LLC","range":"199.104.10.0/24","log":"ARIN"},{"id":40993,"date":"2025-07-24T18:03:37Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"University of Idaho","recipient_org":"ARK Data Centers LLC","range":"199.104.24.0/21","log":"ARIN"},{"id":15649,"date":"2018-10-29T14:21:07Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"WestNet, Inc.","recipient_org":"University of Idaho","range":"199.104.0.0/18","log":"ARIN"}],"events":[{"event_id":"ec5bac08b9e08563","registry":"ARIN","report_date":"2018-10-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"199.104.0.0/18","start":"199.104.0.0","end":"199.104.63.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"WestNet, Inc.","recipient_organization":"University of Idaho","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:40+00:00","page":"https://rirtracker.com/ip/199.104.0.0-199.104.63.255/#e-ec5bac08b9e08563","report_page":"https://rirtracker.com/arin/reports/2018-10-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.104.0.0-199.104.63.255.json","observed":"Merger/acquisition: WestNet, Inc. (ARIN) to University of Idaho (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WestNet, Inc. (ARIN) to University of Idaho (ARIN) on 2018-10-29 14:21 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 2018-10-29 14:21 UTC, WestNet, Inc. (ARIN) to University of Idaho (ARIN); resources moved: 199.104.0.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181028.gz","retrieved_at":"2026-10-12T21:54:49+00:00","summary":"ARIN delegated statistics 2018-10-28 (produced 2018-10-28T05:00:10+00:00), before the report: allocated (dated 1994-01-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181030.gz","retrieved_at":"2026-10-12T21:54:54+00:00","summary":"ARIN delegated statistics 2018-10-30 (produced 2018-10-30T05:00:10+00:00), after the report: allocated (dated 1994-01-10)"}]}],"classification_history":{"ec5bac08b9e08563":[{"raw_change_id":556781,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:40+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WestNet, Inc. (ARIN) to University of Idaho (ARIN) on 2018-10-29 14:21 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 1994-01-10), allocated (dated 2025-07-24), allocated (dated 2025-11-05), allocated (dated 2026-01-15), allocated (dated 2026-02-06), allocated (dated 2026-03-02), allocated (dated 2026-06-17)"}}