{"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":"74.117.191.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/74.117.191.0-74.117.191.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-04-28)"},"current_holder":{"rir":"ARIN","org":"U.S. Anesthesia Partners, Inc.","how":"ARIN's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43697,"date":"2026-04-28T19:24:59Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Tranquil Properties LLC","recipient_org":"U.S. Anesthesia Partners, Inc.","range":"74.117.191.0/24"},{"id":41626,"date":"2025-10-06T18:58:43Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Generic Conferencing LLC","recipient_org":"Tranquil Properties LLC","range":"74.117.191.0/24"}],"events":[{"event_id":"e39cc075b5f51c7d","report_date":"2026-04-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add 74.117.191.0-74.117.191.255","resource_type":"ipv4","resource":"74.117.191.0/24","start":"74.117.191.0","end":"74.117.191.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Tranquil Properties LLC","recipient_organization":"U.S. Anesthesia Partners, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","page":"https://rirtracker.com/ip/74.117.191.0-74.117.191.255/#e-e39cc075b5f51c7d","evidence_url":"https://rirtracker.com/api/v1/events/e39cc075b5f51c7d.json","explanation":"ARIN's transfer log records a transfer from Tranquil Properties LLC (ARIN) to U.S. Anesthesia Partners, Inc. (ARIN) on 2026-04-28 19:24 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-April/006346.html","retrieved_at":"2026-10-09T18:53:59+00:00","summary":"ARIN-Issued report for 2026-04-28: \"Add 74.117.191.0-74.117.191.255\""},{"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 2026-04-28 19:24 UTC, Tranquil Properties LLC (ARIN) to U.S. Anesthesia Partners, Inc. (ARIN); resources moved: 74.117.191.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260427","retrieved_at":"2026-10-09T19:00:31+00:00","summary":"ARIN delegated statistics 2026-04-27 (produced 2026-04-27T13:00:40+00:00), before the report: allocated (dated 2009-09-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260429","retrieved_at":"2026-10-09T19:00:37+00:00","summary":"ARIN delegated statistics 2026-04-29 (produced 2026-04-29T13:00:40+00:00), after the report: allocated (dated 2026-04-28)"}]}],"classification_history":{"e39cc075b5f51c7d":[{"raw_change_id":1867,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Tranquil Properties LLC (ARIN) to U.S. Anesthesia Partners, Inc. (ARIN) on 2026-04-28 19:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}