{"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":"144.89.80.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/144.89.80.0-144.89.95.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-04-17)"},"current_holder":{"rir":"ARIN","org":"ProTek Communications, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":40071,"date":"2025-04-17T16:13:58Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Board of Trustees of Beloit College","recipient_org":"ProTek Communications, LLC","range":"144.89.80.0/20","log":"ARIN"}],"events":[{"event_id":"7a72131dd188bd14","registry":"ARIN","report_date":"2025-04-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 144.89.80.0-144.89.95.255","resource_type":"ipv4","resource":"144.89.80.0/20","start":"144.89.80.0","end":"144.89.95.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Board of Trustees of Beloit College","recipient_organization":"ProTek Communications, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:27+00:00","page":"https://rirtracker.com/ip/144.89.80.0-144.89.95.255/#e-7a72131dd188bd14","report_page":"https://rirtracker.com/arin/reports/2025-04-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/144.89.80.0-144.89.95.255.json","piece_of":{"resource":"144.89.0.0/16","page":"https://rirtracker.com/ip/144.89.0.0-144.89.255.255/"},"explanation":"ARIN's transfer log records a transfer from Board of Trustees of Beloit College (ARIN) to ProTek Communications, LLC (ARIN) on 2025-04-17 16:13 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/2025-April/005969.html","retrieved_at":"2026-10-12T18:42:59+00:00","summary":"ARIN-Issued report for 2025-04-17: \"Add 144.89.80.0-144.89.95.255\""},{"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: RESOURCE_TRANSFER on 2025-04-17 16:13 UTC, Board of Trustees of Beloit College (ARIN) to ProTek Communications, LLC (ARIN); resources moved: 144.89.80.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250416.gz","retrieved_at":"2026-10-12T23:58:07+00:00","summary":"ARIN delegated statistics 2025-04-16 (produced 2025-04-16T13:01:10+00:00), before the report: allocated (dated 1990-11-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250418.gz","retrieved_at":"2026-10-12T23:58:26+00:00","summary":"ARIN delegated statistics 2025-04-18 (produced 2025-04-18T13:01:09+00:00), after the report: allocated (dated 2025-04-17)"}]}],"classification_history":{"7a72131dd188bd14":[{"raw_change_id":193752,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:32+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Board of Trustees of Beloit College (ARIN) to ProTek Communications, LLC (ARIN) on 2025-04-17 16:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":193752,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:00+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Board of Trustees of Beloit College (ARIN) to ProTek Communications, LLC (ARIN) on 2025-04-17 16:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":193752,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Board of Trustees of Beloit College (ARIN) to ProTek Communications, LLC (ARIN) on 2025-04-17 16:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":193752,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Board of Trustees of Beloit College (ARIN) to ProTek Communications, LLC (ARIN) on 2025-04-17 16:13 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2025-04-17)"}}