{"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":"137.49.224.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/137.49.224.0-137.49.255.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-02-20)"},"current_holder":{"rir":"ARIN","org":"Endeavor Communications","how":"ARIN's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42952,"date":"2026-02-20T20:52:19Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"The University of Hartford","recipient_org":"Endeavor Communications","range":"137.49.224.0/19"}],"events":[{"event_id":"1198399bbb44e62e","report_date":"2026-02-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add 137.49.224.0-137.49.255.255","resource_type":"ipv4","resource":"137.49.224.0/19","start":"137.49.224.0","end":"137.49.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"The University of Hartford","recipient_organization":"Endeavor Communications","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/137.49.224.0-137.49.255.255/#e-1198399bbb44e62e","evidence_url":"https://rirtracker.com/api/v1/events/1198399bbb44e62e.json","piece_of":{"resource":"137.49.0.0/16","page":"https://rirtracker.com/ip/137.49.0.0-137.49.255.255/"},"explanation":"ARIN's transfer log records a transfer from The University of Hartford (ARIN) to Endeavor Communications (ARIN) on 2026-02-20 20:52 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/006278.html","retrieved_at":"2026-10-09T18:53:54+00:00","summary":"ARIN-Issued report for 2026-02-20: \"Add 137.49.224.0-137.49.255.255\""},{"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 2026-02-20 20:52 UTC, The University of Hartford (ARIN) to Endeavor Communications (ARIN); resources moved: 137.49.224.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260219","retrieved_at":"2026-10-09T18:56:52+00:00","summary":"ARIN delegated statistics 2026-02-19 (produced 2026-02-19T14:00:48+00:00), before the report: allocated (dated 1989-11-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260221","retrieved_at":"2026-10-09T18:56:58+00:00","summary":"ARIN delegated statistics 2026-02-21 (produced 2026-02-21T14:00:51+00:00), after the report: allocated (dated 2026-02-20)"}]}],"classification_history":{"1198399bbb44e62e":[{"raw_change_id":871,"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 The University of Hartford (ARIN) to Endeavor Communications (ARIN) on 2026-02-20 20:52 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}