{"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":"192.188.137.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.188.137.0-192.188.137.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-04-08)"},"current_holder":{"rir":"ARIN","org":"Office of Broadband Access and Expansion","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":39996,"date":"2025-04-08T18:25:01Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Albuquerque High School","recipient_org":"Office of Broadband Access and Expansion","range":"192.188.137.0/24","log":"ARIN"}],"events":[{"event_id":"8a5094c3a86bd281","registry":"ARIN","report_date":"2025-04-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.188.137.0-192.188.137.255","resource_type":"ipv4","resource":"192.188.137.0/24","start":"192.188.137.0","end":"192.188.137.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Albuquerque High School","recipient_organization":"Office of Broadband Access and Expansion","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:26+00:00","page":"https://rirtracker.com/ip/192.188.137.0-192.188.137.255/#e-8a5094c3a86bd281","report_page":"https://rirtracker.com/arin/reports/2025-04-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.188.137.0-192.188.137.255.json","explanation":"ARIN's transfer log records a transfer from Albuquerque High School (ARIN) to Office of Broadband Access and Expansion (ARIN) on 2025-04-08 18:25 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/005960.html","retrieved_at":"2026-10-12T18:42:59+00:00","summary":"ARIN-Issued report for 2025-04-08: \"Add 192.188.137.0-192.188.137.255\""},{"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 2025-04-08 18:25 UTC, Albuquerque High School (ARIN) to Office of Broadband Access and Expansion (ARIN); resources moved: 192.188.137.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250407.gz","retrieved_at":"2026-10-12T23:57:46+00:00","summary":"ARIN delegated statistics 2025-04-07 (produced 2025-04-07T13:01:08+00:00), before the report: allocated (dated 1992-07-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250409.gz","retrieved_at":"2026-10-12T23:57:50+00:00","summary":"ARIN delegated statistics 2025-04-09 (produced 2025-04-09T13:01:10+00:00), after the report: allocated (dated 2025-04-08)"}]}],"classification_history":{"8a5094c3a86bd281":[{"raw_change_id":193616,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:27+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Albuquerque High School (ARIN) to Office of Broadband Access and Expansion (ARIN) on 2025-04-08 18:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":193616,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Albuquerque High School (ARIN) to Office of Broadband Access and Expansion (ARIN) on 2025-04-08 18:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":193616,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Albuquerque High School (ARIN) to Office of Broadband Access and Expansion (ARIN) on 2025-04-08 18:25 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":193616,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:26+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Albuquerque High School (ARIN) to Office of Broadband Access and Expansion (ARIN) on 2025-04-08 18:25 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 2025-04-08)"}}