{"classifier_version":"1.0.0","generated":"2026-10-10T14:39:54+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":"136.143.196.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/136.143.196.0-136.143.197.255/","arin_statistics_now":{"file_date":"2026-10-10","status":"allocated (dated 2026-08-12)"},"current_holder":{"rir":"ARIN","org":"Bigleaf Networks, Inc.","how":"ARIN's statistics for 2026-10-10 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":45118,"date":"2026-08-12T22:27:28Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Verdun Oil Holdings LLC","recipient_org":"Bigleaf Networks, Inc.","range":"136.143.196.0/23"},{"id":42784,"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":"136.143.196.0/23"}],"events":[{"event_id":"c344ab4805c554b8","report_date":"2026-08-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 136.143.196.0-136.143.197.255","resource_type":"ipv4","resource":"136.143.196.0/23","start":"136.143.196.0","end":"136.143.197.255","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":"Bigleaf Networks, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:23+00:00","page":"https://rirtracker.com/ip/136.143.196.0-136.143.197.255/#e-c344ab4805c554b8","evidence_url":"https://rirtracker.com/api/v1/events/c344ab4805c554b8.json","explanation":"ARIN's transfer log records a transfer from Verdun Oil Holdings LLC (ARIN) to Bigleaf Networks, Inc. (ARIN) on 2026-08-12 22:27 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-August/006455.html","retrieved_at":"2026-10-09T18:54:07+00:00","summary":"ARIN-Issued report for 2026-08-12: \"Add 136.143.196.0-136.143.197.255\""},{"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 2026-08-12 22:27 UTC, Verdun Oil Holdings LLC (ARIN) to Bigleaf Networks, Inc. (ARIN); resources moved: 136.143.196.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260811","retrieved_at":"2026-10-09T19:05:56+00:00","summary":"ARIN delegated statistics 2026-08-11 (produced 2026-08-11T13:00:21+00:00), before the report: allocated (dated 1989-08-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260813","retrieved_at":"2026-10-09T19:06:02+00:00","summary":"ARIN delegated statistics 2026-08-13 (produced 2026-08-13T13:00:20+00:00), after the report: allocated (dated 2026-08-12)"}]}],"classification_history":{"c344ab4805c554b8":[{"raw_change_id":4189,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:23+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Verdun Oil Holdings LLC (ARIN) to Bigleaf Networks, Inc. (ARIN) on 2026-08-12 22:27 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}