{"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":"139.28.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/139.28.0.0-139.28.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2018-12-28), allocated (dated 2019-01-02), allocated (dated 2019-01-03), allocated (dated 2019-01-04)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":113989,"date":"2025-07-14T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Network Management Ltd","recipient_org":"Andwase Limited","range":"139.28.220.0/22","log":"RIPE NCC"},{"id":109155,"date":"2024-11-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Telecom five LLC","recipient_org":"Unitel, LLC","range":"139.28.180.0/22","log":"RIPE NCC"},{"id":105597,"date":"2024-05-23T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Bulut Internet Yazilim Ltd. Sti.","recipient_org":"SERVERNET INTERNET LIMITED","range":"139.28.16.0/22","log":"RIPE NCC"},{"id":102916,"date":"2024-02-27T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"WebWayOne Ltd","recipient_org":"CSL (DualCom) Limited","range":"139.28.100.0/22","log":"RIPE NCC"},{"id":98392,"date":"2023-10-04T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"TouchTec Technology Limited","recipient_org":"Connective Online Limited","range":"139.28.108.0/22","log":"RIPE NCC"},{"id":97106,"date":"2023-07-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Tela Technology Limited","recipient_org":"Wildanet Ltd","range":"139.28.208.0/22","log":"RIPE NCC"},{"id":96002,"date":"2023-05-24T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"APNIC","source_org":"CommuniLink Internet Limited","recipient_org":null,"range":"139.28.128.0/22","log":"RIPE NCC"},{"id":128571,"date":"2023-05-24T05:23:43Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"APNIC","source_org":"ORG-CIL47-RIPE","recipient_org":"COMMUNILINK INTERNET LIMITED","range":"139.28.128.0/22","log":"APNIC"},{"id":94175,"date":"2023-03-16T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"NEREUS MANAGEMENT CONSULTANCY BVBA","recipient_org":"E-Solutions BV","range":"139.28.164.0/22","log":"RIPE NCC"},{"id":92042,"date":"2022-12-21T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Albacete Sistemas y Servicios SL","recipient_org":"AVATEL TELECOM, SA","range":"139.28.88.0/22","log":"RIPE NCC"},{"id":91746,"date":"2022-12-16T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Airetel2012, S.L","recipient_org":"AVATEL TELECOM, SA","range":"139.28.188.0/22","log":"RIPE NCC"},{"id":89680,"date":"2022-09-21T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Rackspot LLC","recipient_org":"HostRoyale Technologies Pvt Ltd","range":"139.28.120.0/22","log":"RIPE NCC"},{"id":89651,"date":"2022-09-20T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"BELLCOM TELECOM LLC","recipient_org":"NOVA GROUP LLC","range":"139.28.44.0/22","log":"RIPE NCC"},{"id":86775,"date":"2022-04-26T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"TT1 Datacenter UG (haftungsbeschraenkt)","recipient_org":"SachsenGigaBit GmbH","range":"139.28.0.0/22","log":"RIPE NCC"},{"id":86546,"date":"2022-04-13T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"KEYFIBRE NETWORKS COMPONENTS, S.L.","recipient_org":"AVATEL TELECOM, SA","range":"139.28.76.0/22","log":"RIPE NCC"},{"id":85395,"date":"2022-02-01T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Aerotek Bilisim Sanayi ve Ticaret AS","recipient_org":"Bulut Internet Yazilim Ltd. Sti.","range":"139.28.16.0/22","log":"RIPE NCC"},{"id":84244,"date":"2021-12-15T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Bilintel Bilisim Ticaret Limited Sirketi","recipient_org":"G-Core Labs S.A.","range":"139.28.4.0/22","log":"RIPE NCC"},{"id":84131,"date":"2021-12-14T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Nova Group LLC","recipient_org":"\"Sky Mobile\" LLC","range":"139.28.28.0/22","log":"RIPE NCC"},{"id":82333,"date":"2021-11-03T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"NIXWAY S.R.L","recipient_org":"DATTO EUROPE LIMITED","range":"139.28.144.0/22","log":"RIPE NCC"},{"id":82245,"date":"2021-11-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"BHOST SIA","recipient_org":"LVNET LTD","range":"139.28.232.0/22","log":"RIPE NCC"},{"id":82047,"date":"2021-10-25T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Fabio Pietrobon trading as Si.TEK Informatica","recipient_org":"Si.TEK Informatica Srl","range":"139.28.80.0/22","log":"RIPE NCC"},{"id":77295,"date":"2021-04-08T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"NTX Technologies s.r.o.","recipient_org":"Network Management Ltd","range":"139.28.220.0/22","log":"RIPE NCC"},{"id":75931,"date":"2021-02-03T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"EMV Internet Consultants SRL","recipient_org":"M247 Europe SRL","range":"139.28.176.0/22","log":"RIPE NCC"},{"id":75495,"date":"2020-12-30T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Maria Terezia Burany","recipient_org":"BAU NETWORKS DOO TORNJOS","range":"139.28.12.0/22","log":"RIPE NCC"},{"id":75438,"date":"2020-12-29T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Intelliware Solutions Company SRL","recipient_org":"Asociatia Interlan","range":"139.28.8.0/22","log":"RIPE NCC"},{"id":70340,"date":"2020-05-29T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Techmill Bilisim Teknolojileri Limited Sirketi","recipient_org":"Hop Bilisim Teknolojileri Anonim Sirketi","range":"139.28.32.0/22","log":"RIPE NCC"},{"id":70339,"date":"2020-05-29T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Datanet Internet ve Tekonoloji Hizmetleri Limited Sirketi","recipient_org":"Hop Bilisim Teknolojileri Anonim Sirketi","range":"139.28.240.0/22","log":"RIPE NCC"},{"id":70211,"date":"2020-05-25T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Akturk Teknoloji Bilisim Limited Sirketi","recipient_org":"Hop Bilisim Teknolojileri Anonim Sirketi","range":"139.28.48.0/22","log":"RIPE NCC"},{"id":70210,"date":"2020-05-25T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"Alsat Teknoloji Bilisim Limited Sirketi","recipient_org":"Hop Bilisim Teknolojileri Anonim Sirketi","range":"139.28.212.0/22","log":"RIPE NCC"}],"events":[{"event_id":"2b74b9aba45af887","registry":"RIPE NCC","report_date":"2012-05-21","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"139.28.0.0/16","start":"139.28.0.0","end":"139.28.255.255","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":"2026-10-13T23:56:19+00:00","page":"https://rirtracker.com/ip/139.28.0.0-139.28.255.255/#e-2b74b9aba45af887","report_page":"https://rirtracker.com/ripe/reports/2012-05-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/139.28.0.0-139.28.255.255.json","observed":"139.28.0.0/16 assigned on 2012-05-20, reserved on 2012-05-21","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2012-03-14) on 2012-05-20 and reserved on 2012-05-21. 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-20120521.bz2","retrieved_at":"2026-10-12T19:16:39+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 139.28.0.0/16 assigned on 2012-05-20, reserved on 2012-05-21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120520.bz2","retrieved_at":"2026-10-12T19:16:36+00:00","summary":"RIPE NCC delegated statistics 2012-05-20 (produced 2012-05-20T21:59:59+00:00), before the change: assigned (dated 2012-03-14)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120521.bz2","retrieved_at":"2026-10-12T19:16:39+00:00","summary":"RIPE NCC delegated statistics 2012-05-21 (produced 2012-05-21T21:59:59+00:00), after the change: reserved"}]},{"event_id":"9895d4ccf83ea996","registry":"RIPE NCC","report_date":"2012-03-14","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"139.28.0.0/16","start":"139.28.0.0","end":"139.28.255.255","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":"2026-10-13T23:56:08+00:00","page":"https://rirtracker.com/ip/139.28.0.0-139.28.255.255/#e-9895d4ccf83ea996","report_page":"https://rirtracker.com/ripe/reports/2012-03-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/139.28.0.0-139.28.255.255.json","observed":"139.28.0.0/16 reserved on 2012-03-13, assigned on 2012-03-14","explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-03-13 and assigned (dated 2012-03-14) on 2012-03-14. The tracker saw this range removed from registration on 2010-12-17 (139.28.0.0/16), 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-20120314.bz2","retrieved_at":"2026-10-12T19:13:03+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 139.28.0.0/16 reserved on 2012-03-13, assigned on 2012-03-14"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120313.bz2","retrieved_at":"2026-10-12T19:13:00+00:00","summary":"RIPE NCC delegated statistics 2012-03-13 (produced 2012-03-13T22:59:59+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120314.bz2","retrieved_at":"2026-10-12T19:13:03+00:00","summary":"RIPE NCC delegated statistics 2012-03-14 (produced 2012-03-14T22:59:59+00:00), after the change: assigned (dated 2012-03-14)"}]},{"event_id":"f6ef7ec59b44bd5b","registry":"RIPE NCC","report_date":"2010-12-17","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"139.28.0.0/16","start":"139.28.0.0","end":"139.28.255.255","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":"2026-10-13T23:55:01+00:00","page":"https://rirtracker.com/ip/139.28.0.0-139.28.255.255/#e-f6ef7ec59b44bd5b","report_page":"https://rirtracker.com/ripe/reports/2010-12-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/139.28.0.0-139.28.255.255.json","observed":"139.28.0.0/16 assigned on 2010-12-16, available on 2010-12-17","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 1984-01-01) on 2010-12-16 and available on 2010-12-17. 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/2010/delegated-ripencc-extended-20101217.bz2","retrieved_at":"2026-10-12T18:49:07+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 139.28.0.0/16 assigned on 2010-12-16, available on 2010-12-17"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20101216.bz2","retrieved_at":"2026-10-12T18:49:04+00:00","summary":"RIPE NCC delegated statistics 2010-12-16, before the change: assigned (dated 1984-01-01)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2010/delegated-ripencc-extended-20101217.bz2","retrieved_at":"2026-10-12T18:49:07+00:00","summary":"RIPE NCC delegated statistics 2010-12-17, after the change: available"}]}],"classification_history":{"2b74b9aba45af887":[{"raw_change_id":226378,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:18:58+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 assigned (dated 2012-03-14) on 2012-05-20 and reserved on 2012-05-21. 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 2012-11-17. This does not confirm availability."},{"raw_change_id":226378,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:35+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 assigned (dated 2012-03-14) on 2012-05-20 and reserved on 2012-05-21. 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":226378,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:38+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 assigned (dated 2012-03-14) on 2012-05-20 and reserved on 2012-05-21. 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":226378,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:19+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 assigned (dated 2012-03-14) on 2012-05-20 and reserved on 2012-05-21. 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."}],"9895d4ccf83ea996":[{"raw_change_id":223477,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:17:57+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-03-13 and assigned (dated 2012-03-14) on 2012-03-14. The tracker saw this range removed from registration on 2010-12-17 (139.28.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":223477,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:26+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-03-13 and assigned (dated 2012-03-14) on 2012-03-14. The tracker saw this range removed from registration on 2010-12-17 (139.28.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":223477,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:28+00:00","current":0,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-03-13 and assigned (dated 2012-03-14) on 2012-03-14. The tracker saw this range removed from registration on 2010-12-17 (139.28.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."},{"raw_change_id":223477,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:08+00:00","current":1,"public_explanation":"No transfer record matches. The RIPE NCC's statistics show it reserved on 2012-03-13 and assigned (dated 2012-03-14) on 2012-03-14. The tracker saw this range removed from registration on 2010-12-17 (139.28.0.0/16), so it appears to have been issued again from the RIPE NCC's pool."}],"f6ef7ec59b44bd5b":[{"raw_change_id":203985,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:10:36+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 assigned (dated 1984-01-01) on 2010-12-16 and available on 2010-12-17. 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 2011-06-15. This does not confirm availability."},{"raw_change_id":203985,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:28+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 assigned (dated 1984-01-01) on 2010-12-16 and available on 2010-12-17. 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":203985,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:25+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 assigned (dated 1984-01-01) on 2010-12-16 and available on 2010-12-17. 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":203985,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:01+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 assigned (dated 1984-01-01) on 2010-12-16 and available on 2010-12-17. 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":"not listed"}}