{"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":"2.57.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/2.57.0.0-2.57.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2019-03-15), allocated (dated 2019-03-18), allocated (dated 2019-03-19), allocated (dated 2019-03-20), allocated (dated 2019-03-21), allocated (dated 2023-03-07)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":134776,"date":"2026-11-11T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Hostinger International Limited","recipient_org":"Hostinger Operations UAB","range":"2.57.88.0/22","log":"RIPE NCC"},{"id":134010,"date":"2026-10-16T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"FRANCESCO BOVE","recipient_org":"NOVACONN SRL","range":"2.57.84.0/22","log":"RIPE NCC"},{"id":120619,"date":"2026-05-12T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Bergueda Telecom SL","recipient_org":"Fibra Optica Centelles SL","range":"2.57.100.0/22","log":"RIPE NCC"},{"id":116360,"date":"2025-11-13T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Francisco Jose Ruiz Diaz","recipient_org":"Cesar Maffini Martin","range":"2.57.2.0/24","log":"RIPE NCC"},{"id":113822,"date":"2025-07-03T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"CLDIN B.V.","recipient_org":"Your hosting B.V.","range":"2.57.56.0/22","log":"RIPE NCC"},{"id":113633,"date":"2025-06-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"securCom s.r.o.","recipient_org":"VNET a.s.","range":"2.57.64.0/22","log":"RIPE NCC"},{"id":107961,"date":"2024-09-17T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Zenbox sp. z o.o.","recipient_org":"Cyber_Folks S.A.","range":"2.57.136.0/22","log":"RIPE NCC"},{"id":107482,"date":"2024-08-21T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"AURANET Sp. z o.o.","recipient_org":"RFC Internet Sp. z o.o.","range":"2.57.8.0/23","log":"RIPE NCC"},{"id":106716,"date":"2024-07-11T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"CloudLite LLC","recipient_org":"SafeData LLC","range":"2.57.184.0/22","log":"RIPE NCC"},{"id":106468,"date":"2024-07-01T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"AURANET Sp. z o.o.","recipient_org":"Jacek Zysko trading as Firma Handlowo - Uslugowa \"Zfix\"","range":"2.57.10.0/23","log":"RIPE NCC"},{"id":105751,"date":"2024-05-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"SC ITNS.NET SRL","recipient_org":"Amarutu Technology Ltd","range":"2.57.215.0/24","log":"RIPE NCC"},{"id":105604,"date":"2024-05-23T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"SC ITNS.NET SRL","recipient_org":"Amarutu Technology Ltd","range":"2.57.214.0/24","log":"RIPE NCC"},{"id":105237,"date":"2024-05-06T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"SC ITNS.NET SRL","recipient_org":"DT Teknoloji Anonim Sirketi","range":"2.57.212.0/23","log":"RIPE NCC"},{"id":101024,"date":"2023-12-21T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Centre Integral de Telecomunicacions i Tecnologies de Catalunya S.L","recipient_org":"Gurbtec Iguana Telecom SL","range":"2.57.128.0/22","log":"RIPE NCC"},{"id":100713,"date":"2023-12-14T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"COMUNICACIONES PAQUILLO E HIJOS S.L.","recipient_org":"TELEFONICA GLOBAL SOLUTIONS SL","range":"2.57.224.0/22","log":"RIPE NCC"},{"id":97741,"date":"2023-08-28T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Project Zero, Inc","recipient_org":null,"range":"2.57.164.0/22","log":"RIPE NCC"},{"id":32805,"date":"2023-08-28T14:03:18Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"Project Zero, Inc","recipient_org":"Elite Telecom, Inc","range":"2.57.164.0/22","log":"ARIN"},{"id":94512,"date":"2023-03-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"THUNDER NETWORK LIMITED","recipient_org":"RCS Technologies FZE LLC","range":"2.57.240.0/22","log":"RIPE NCC"},{"id":94228,"date":"2023-03-20T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Melita Italia SRL","recipient_org":"Enel Energia SPA","range":"2.57.32.0/22","log":"RIPE NCC"},{"id":93946,"date":"2023-03-10T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Mastercom LLC","recipient_org":"LIR Limited","range":"2.57.148.0/22","log":"RIPE NCC"},{"id":89653,"date":"2022-09-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Tiger Network Limited","recipient_org":"wilhelm.tel GmbH","range":"2.57.116.0/22","log":"RIPE NCC"},{"id":89428,"date":"2022-09-05T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"LLC \"FTICOM\"","recipient_org":"Timer, LLC","range":"2.57.112.0/22","log":"RIPE NCC"},{"id":89307,"date":"2022-08-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"APNIC","source_org":"Power Line (HK) Co., Limited","recipient_org":null,"range":"2.57.124.0/22","log":"RIPE NCC"},{"id":128138,"date":"2022-08-29T07:25:57Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"APNIC","source_org":"ORG-PLCL2-RIPE","recipient_org":"CAT Telecom Public Company Limited","range":"2.57.124.0/22","log":"APNIC"},{"id":85242,"date":"2022-01-20T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"PCextreme B.V.","recipient_org":"CLDIN B.V.","range":"2.57.56.0/22","log":"RIPE NCC"},{"id":85136,"date":"2022-01-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Eurotelecom SRL","recipient_org":"SC ITNS.NET SRL","range":"2.57.212.0/22","log":"RIPE NCC"},{"id":84943,"date":"2022-01-03T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"INFOCLOUD GROUP SRL","recipient_org":"SC ITNS.NET SRL","range":"2.57.152.0/22","log":"RIPE NCC"},{"id":82672,"date":"2021-11-11T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Storage NAT Limited","recipient_org":"Cyber Assets FZCO","range":"2.57.16.0/22","log":"RIPE NCC"},{"id":82673,"date":"2021-11-11T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Racked Metal Ltd","recipient_org":"Cyber Assets FZCO","range":"2.57.20.0/22","log":"RIPE NCC"},{"id":82540,"date":"2021-11-08T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"CN Consulting GmbH","recipient_org":"COSYS DATA GmbH","range":"2.57.48.0/22","log":"RIPE NCC"},{"id":81653,"date":"2021-10-11T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Brandstaetter Communications GmbH","recipient_org":"HMB Holding GmbH","range":"2.57.180.0/22","log":"RIPE NCC"},{"id":81038,"date":"2021-09-17T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Nikolay Gorstkin","recipient_org":"Limited Liability Company DZHISIIKS","range":"2.57.36.0/22","log":"RIPE NCC"},{"id":80221,"date":"2021-08-17T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"ProNet Technology Group, Inc.","recipient_org":"Project Zero, Inc","range":"2.57.164.0/22","log":"RIPE NCC"},{"id":79502,"date":"2021-07-12T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"dicode BV","recipient_org":"TnR Technologies B.V.","range":"2.57.168.0/22","log":"RIPE NCC"},{"id":77888,"date":"2021-04-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"MB Entertainer","recipient_org":"Hostinger International Limited","range":"2.57.88.0/22","log":"RIPE NCC"},{"id":77800,"date":"2021-04-23T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"EMV Internet Consultants SRL","recipient_org":"Vodafone Group Services GmbH","range":"2.57.144.0/22","log":"RIPE NCC"},{"id":77257,"date":"2021-04-07T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Alphamega Hosting BV","recipient_org":"PCextreme B.V.","range":"2.57.56.0/22","log":"RIPE NCC"},{"id":76929,"date":"2021-03-23T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"jiao li","recipient_org":"THUNDER NETWORK LIMITED","range":"2.57.240.0/22","log":"RIPE NCC"},{"id":76846,"date":"2021-03-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"HOSTING TELECOM LTD","recipient_org":"cleardocks LLC","range":"2.57.76.0/22","log":"RIPE NCC"},{"id":76845,"date":"2021-03-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"UAB \"Nuoroda\"","recipient_org":"UAB Linama","range":"2.57.176.0/22","log":"RIPE NCC"}],"events":[{"event_id":"263a139e8af69e4b","registry":"RIPE NCC","report_date":"2014-03-12","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"2.57.0.0/16","start":"2.57.0.0","end":"2.57.255.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:02+00:00","page":"https://rirtracker.com/ip/2.57.0.0-2.57.255.255/#e-263a139e8af69e4b","report_page":"https://rirtracker.com/ripe/reports/2014-03-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2.57.0.0-2.57.255.255.json","observed":"2.57.0.0/16 allocated on 2014-03-11, reserved on 2014-03-12","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2012-08-07) on 2014-03-11 and reserved on 2014-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140312.bz2","retrieved_at":"2026-10-12T19:56:29+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2.57.0.0/16 allocated on 2014-03-11, reserved on 2014-03-12"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140311.bz2","retrieved_at":"2026-10-12T19:56:26+00:00","summary":"RIPE NCC delegated statistics 2014-03-11 (produced 2014-03-11T22:59:59+00:00), before the change: allocated (dated 2012-08-07)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140312.bz2","retrieved_at":"2026-10-12T19:56:29+00:00","summary":"RIPE NCC delegated statistics 2014-03-12 (produced 2014-03-12T22:59:59+00:00), after the change: reserved"}]},{"event_id":"6f588ae10bc584de","registry":"RIPE NCC","report_date":"2012-08-07","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"2.57.0.0/16","start":"2.57.0.0","end":"2.57.255.255","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":"2026-10-13T23:56:31+00:00","page":"https://rirtracker.com/ip/2.57.0.0-2.57.255.255/#e-6f588ae10bc584de","report_page":"https://rirtracker.com/ripe/reports/2012-08-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2.57.0.0-2.57.255.255.json","observed":"2.57.0.0/16 reserved on 2012-08-06, allocated on 2012-08-07","explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-08-06 and allocated (dated 2012-08-07) on 2012-08-07. The tracker saw this range removed from registration on 2012-07-10 (2.57.0.0/16), 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/2012/delegated-ripencc-extended-20120807.bz2","retrieved_at":"2026-10-12T19:20:58+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2.57.0.0/16 reserved on 2012-08-06, allocated on 2012-08-07"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120806.bz2","retrieved_at":"2026-10-12T19:20:55+00:00","summary":"RIPE NCC delegated statistics 2012-08-06 (produced 2012-08-06T21:59:59+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120807.bz2","retrieved_at":"2026-10-12T19:20:58+00:00","summary":"RIPE NCC delegated statistics 2012-08-07 (produced 2012-08-07T21:59:59+00:00), after the change: allocated (dated 2012-08-07)"}]},{"event_id":"5df6308ca7284dae","registry":"RIPE NCC","report_date":"2012-07-10","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"2.57.0.0/16","start":"2.57.0.0","end":"2.57.255.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:27+00:00","page":"https://rirtracker.com/ip/2.57.0.0-2.57.255.255/#e-5df6308ca7284dae","report_page":"https://rirtracker.com/ripe/reports/2012-07-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2.57.0.0-2.57.255.255.json","observed":"2.57.0.0/16 allocated on 2012-07-09, reserved on 2012-07-10","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-07-09 and reserved on 2012-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120710.bz2","retrieved_at":"2026-10-12T19:19:24+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2.57.0.0/16 allocated on 2012-07-09, reserved on 2012-07-10"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120709.bz2","retrieved_at":"2026-10-12T19:19:21+00:00","summary":"RIPE NCC delegated statistics 2012-07-09 (produced 2012-07-09T21:59:59+00:00), before the change: allocated (dated 2010-09-27)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120710.bz2","retrieved_at":"2026-10-12T19:19:24+00:00","summary":"RIPE NCC delegated statistics 2012-07-10 (produced 2012-07-10T21:59:59+00:00), after the change: reserved"}]},{"event_id":"2634b0cd231917e4","registry":"RIPE NCC","report_date":"2012-06-27","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"2.57.0.0/16","start":"2.57.0.0","end":"2.57.255.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:25+00:00","page":"https://rirtracker.com/ip/2.57.0.0-2.57.255.255/#e-2634b0cd231917e4","report_page":"https://rirtracker.com/ripe/reports/2012-06-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2.57.0.0-2.57.255.255.json","observed":"2.57.0.0/16 reserved on 2012-06-26, allocated on 2012-06-27","explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-06-26 and allocated (dated 2010-09-27) on 2012-06-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120627.bz2","retrieved_at":"2026-10-12T19:18:41+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2.57.0.0/16 reserved on 2012-06-26, allocated on 2012-06-27"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120626.bz2","retrieved_at":"2026-10-12T19:18:38+00:00","summary":"RIPE NCC delegated statistics 2012-06-26 (produced 2012-06-26T21:59:59+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120627.bz2","retrieved_at":"2026-10-12T19:18:41+00:00","summary":"RIPE NCC delegated statistics 2012-06-27 (produced 2012-06-27T21:59:59+00:00), after the change: allocated (dated 2010-09-27)"}]},{"event_id":"bf91f8ed616d8b5f","registry":"RIPE NCC","report_date":"2012-06-19","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"2.57.0.0/16","start":"2.57.0.0","end":"2.57.255.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:24+00:00","page":"https://rirtracker.com/ip/2.57.0.0-2.57.255.255/#e-bf91f8ed616d8b5f","report_page":"https://rirtracker.com/ripe/reports/2012-06-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/2.57.0.0-2.57.255.255.json","observed":"2.57.0.0/16 allocated on 2012-06-18, reserved on 2012-06-19","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-06-18 and reserved on 2012-06-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120619.bz2","retrieved_at":"2026-10-12T19:18:19+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 2.57.0.0/16 allocated on 2012-06-18, reserved on 2012-06-19"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120618.bz2","retrieved_at":"2026-10-12T19:18:10+00:00","summary":"RIPE NCC delegated statistics 2012-06-18 (produced 2012-06-18T21:59:59+00:00), before the change: allocated (dated 2010-09-27)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120619.bz2","retrieved_at":"2026-10-12T19:18:19+00:00","summary":"RIPE NCC delegated statistics 2012-06-19 (produced 2012-06-19T21:59:59+00:00), after the change: reserved"}]}],"classification_history":{"263a139e8af69e4b":[{"raw_change_id":256513,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:34:00+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2012-08-07) on 2014-03-11 and reserved on 2014-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2014-09-08. This does not confirm availability."},{"raw_change_id":256513,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:05+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2012-08-07) on 2014-03-11 and reserved on 2014-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":256513,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:17+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2012-08-07) on 2014-03-11 and reserved on 2014-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":256513,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:02+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2012-08-07) on 2014-03-11 and reserved on 2014-03-12. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."}],"6f588ae10bc584de":[{"raw_change_id":229937,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:20:14+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-08-06 and allocated (dated 2012-08-07) on 2012-08-07. The tracker saw this range removed from registration on 2012-07-10 (2.57.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":229937,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:46+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-08-06 and allocated (dated 2012-08-07) on 2012-08-07. The tracker saw this range removed from registration on 2012-07-10 (2.57.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":229937,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:50+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-08-06 and allocated (dated 2012-08-07) on 2012-08-07. The tracker saw this range removed from registration on 2012-07-10 (2.57.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":229937,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:31+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-08-06 and allocated (dated 2012-08-07) on 2012-08-07. The tracker saw this range removed from registration on 2012-07-10 (2.57.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."}],"5df6308ca7284dae":[{"raw_change_id":228714,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:19:51+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-07-09 and reserved on 2012-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2013-01-06. This does not confirm availability."},{"raw_change_id":228714,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:42+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-07-09 and reserved on 2012-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":228714,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:46+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-07-09 and reserved on 2012-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":228714,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:27+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-07-09 and reserved on 2012-07-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."}],"2634b0cd231917e4":[{"raw_change_id":228160,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:19:39+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-06-26 and allocated (dated 2010-09-27) on 2012-06-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":228160,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:41+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-06-26 and allocated (dated 2010-09-27) on 2012-06-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":228160,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:44+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-06-26 and allocated (dated 2010-09-27) on 2012-06-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":228160,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:25+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-06-26 and allocated (dated 2010-09-27) on 2012-06-27. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."}],"bf91f8ed616d8b5f":[{"raw_change_id":227868,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:19:31+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-06-18 and reserved on 2012-06-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2012-12-16. This does not confirm availability."},{"raw_change_id":227868,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:40+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-06-18 and reserved on 2012-06-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":227868,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:43+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-06-18 and reserved on 2012-06-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":227868,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:24+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2010-09-27) on 2012-06-18 and reserved on 2012-06-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2023-08-28) (only part of the range)"}}