{"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":"37.10.0.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/37.10.0.0-37.10.127.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2011-12-15) (only part of the range)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":117293,"date":"2025-12-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"LACNIC","source_org":"Television por Cable Santa Pola SL","recipient_org":null,"range":"37.10.70.0/24","log":"RIPE NCC"},{"id":117292,"date":"2025-12-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"LACNIC","source_org":"Television por Cable Santa Pola SL","recipient_org":null,"range":"37.10.108.0/24","log":"RIPE NCC"},{"id":133453,"date":"2025-12-15T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"LACNIC","source_org":"Cable Santa Pola SL","recipient_org":"LIBERTY NETWORKS DE COLOMBIA S.A.S","range":"37.10.70.0/24","log":"LACNIC"},{"id":133452,"date":"2025-12-15T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"LACNIC","source_org":"Cable Santa Pola SL","recipient_org":"LIBERTY NETWORKS DE COLOMBIA S.A.S","range":"37.10.108.0/24","log":"LACNIC"},{"id":97434,"date":"2023-08-09T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Adjenet Networks SL","recipient_org":"AS926 Limited","range":"37.10.116.0/24","log":"RIPE NCC"},{"id":92004,"date":"2022-12-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Telecable Fibra, S.L.","recipient_org":"Television por Cable Santa Pola SL","range":"37.10.70.0/24","log":"RIPE NCC"},{"id":92003,"date":"2022-12-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Telecable Fibra, S.L.","recipient_org":"Television por Cable Santa Pola SL","range":"37.10.108.0/24","log":"RIPE NCC"},{"id":72532,"date":"2020-09-30T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"ADJENET NETWORKS SL","recipient_org":"Telecable Fibra, S.L.","range":"37.10.70.0/24","log":"RIPE NCC"},{"id":72531,"date":"2020-09-30T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"ADJENET NETWORKS SL","recipient_org":"Telecable Fibra, S.L.","range":"37.10.108.0/24","log":"RIPE NCC"},{"id":66435,"date":"2019-10-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Prager Connect GmbH","range":"37.10.112.0/24","log":"RIPE NCC"},{"id":66397,"date":"2019-10-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Buchholz Digital GmbH","range":"37.10.68.0/23","log":"RIPE NCC"},{"id":66396,"date":"2019-10-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Buchholz Digital GmbH","range":"37.10.110.0/23","log":"RIPE NCC"},{"id":58380,"date":"2018-06-21T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"servinga GmbH","range":"37.10.71.0/24","log":"RIPE NCC"},{"id":54991,"date":"2017-10-18T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"marbis GmbH","range":"37.10.115.0/24","log":"RIPE NCC"},{"id":54992,"date":"2017-10-18T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"marbis GmbH","range":"37.10.124.0/22","log":"RIPE NCC"},{"id":53564,"date":"2017-05-01T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Hydra Communications Ltd","range":"37.10.113.0/24","log":"RIPE NCC"},{"id":53312,"date":"2017-03-28T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Adjenet Networks SL","range":"37.10.70.0/24","log":"RIPE NCC"},{"id":53311,"date":"2017-03-28T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Adjenet Networks SL","range":"37.10.108.0/24","log":"RIPE NCC"},{"id":50867,"date":"2016-06-21T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Pars Online PJS","range":"37.10.109.0/24","log":"RIPE NCC"},{"id":50868,"date":"2016-06-21T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Pars Online PJS","range":"37.10.117.0/24","log":"RIPE NCC"},{"id":50522,"date":"2016-05-04T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Adjenet Networks SL","range":"37.10.116.0/24","log":"RIPE NCC"},{"id":49241,"date":"2015-10-01T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Pars Online PJS","range":"37.10.64.0/22","log":"RIPE NCC"},{"id":47486,"date":"2015-03-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"marbis GmbH","range":"37.10.118.0/23","log":"RIPE NCC"},{"id":47267,"date":"2015-02-10T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"marbis GmbH","range":"37.10.104.0/22","log":"RIPE NCC"},{"id":47268,"date":"2015-02-10T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"marbis GmbH","range":"37.10.120.0/22","log":"RIPE NCC"},{"id":47077,"date":"2015-01-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"marbis GmbH","range":"37.10.96.0/21","log":"RIPE NCC"},{"id":46274,"date":"2014-05-28T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Booking.com BV","range":"37.10.0.0/18","log":"RIPE NCC"},{"id":46261,"date":"2014-05-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Ambrogio s.r.l.","range":"37.10.80.0/20","log":"RIPE NCC"},{"id":46233,"date":"2014-05-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Marcel Edler trading as Optimate-Server","recipient_org":"Soluciones Corporativas IP, SL","range":"37.10.72.0/21","log":"RIPE NCC"}],"events":[{"event_id":"daeb0f32531b8c2b","registry":"RIPE NCC","report_date":"2011-12-15","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"37.10.0.0/17","start":"37.10.0.0","end":"37.10.127.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from RIPE NCC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:55+00:00","page":"https://rirtracker.com/ip/37.10.0.0-37.10.127.255/#e-daeb0f32531b8c2b","report_page":"https://rirtracker.com/ripe/reports/2011-12-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/37.10.0.0-37.10.127.255.json","observed":"37.10.0.0/17 available on 2011-12-14, allocated on 2011-12-15","explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-12-14 and allocated (dated 2011-12-15) on 2011-12-15. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20111215.bz2","retrieved_at":"2026-10-12T19:08:11+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 37.10.0.0/17 available on 2011-12-14, allocated on 2011-12-15"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20111214.bz2","retrieved_at":"2026-10-12T19:08:09+00:00","summary":"RIPE NCC delegated statistics 2011-12-14 (produced 2011-12-14T22:59:59+00:00), before the change: available"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2011/delegated-ripencc-extended-20111215.bz2","retrieved_at":"2026-10-12T19:08:11+00:00","summary":"RIPE NCC delegated statistics 2011-12-15 (produced 2011-12-15T22:59:59+00:00), after the change: allocated (dated 2011-12-15)"}]}],"classification_history":{"daeb0f32531b8c2b":[{"raw_change_id":219747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:16:32+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-12-14 and allocated (dated 2011-12-15) on 2011-12-15. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":219747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:14+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-12-14 and allocated (dated 2011-12-15) on 2011-12-15. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":219747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:15+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-12-14 and allocated (dated 2011-12-15) on 2011-12-15. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":219747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:55+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it available on 2011-12-14 and allocated (dated 2011-12-15) on 2011-12-15. The tracker saw this range removed from registration on 2011-07-06 (37.0.0.0/10), so it appears to have been issued again from the RIPE NCC's pool."}]},"arin_statistics_now":{"status":"not listed"}}