{"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":"136.143.198.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/136.143.198.0-136.143.198.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-05-22)"},"current_holder":{"rir":"ARIN","org":"Valley Health System","how":"ARIN's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":44026,"date":"2026-05-22T15:38:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Verdun Oil Holdings LLC","recipient_org":"Valley Health System","range":"136.143.198.0/24"},{"id":42785,"date":"2026-02-10T22:58:16Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"EP Energy, L.L.C.","recipient_org":"Verdun Oil Holdings LLC","range":"136.143.198.0/24"}],"events":[{"event_id":"e02df14ddf0fef38","report_date":"2026-05-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 136.143.198.0-136.143.198.255","resource_type":"ipv4","resource":"136.143.198.0/24","start":"136.143.198.0","end":"136.143.198.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Verdun Oil Holdings LLC","recipient_organization":"Valley Health System","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/136.143.198.0-136.143.198.255/#e-e02df14ddf0fef38","evidence_url":"https://rirtracker.com/api/v1/events/e02df14ddf0fef38.json","explanation":"ARIN's transfer log records a transfer from Verdun Oil Holdings LLC (ARIN) to Valley Health System (ARIN) on 2026-05-22 15:38 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-May/006370.html","retrieved_at":"2026-10-09T18:54:01+00:00","summary":"ARIN-Issued report for 2026-05-22: \"Add 136.143.198.0-136.143.198.255\""},{"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 2026-05-22 15:38 UTC, Verdun Oil Holdings LLC (ARIN) to Valley Health System (ARIN); resources moved: 136.143.198.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260521","retrieved_at":"2026-10-09T19:01:40+00:00","summary":"ARIN delegated statistics 2026-05-21 (produced 2026-05-21T13:00:41+00:00), before the report: allocated (dated 1989-08-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260523","retrieved_at":"2026-10-09T19:01:46+00:00","summary":"ARIN delegated statistics 2026-05-23 (produced 2026-05-23T13:00:40+00:00), after the report: allocated (dated 2026-05-22)"}]}],"classification_history":{"e02df14ddf0fef38":[{"raw_change_id":2136,"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 Verdun Oil Holdings LLC (ARIN) to Valley Health System (ARIN) on 2026-05-22 15:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}