{"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":"142.54.202.0 - 142.54.255.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/142.54.202.0-142.54.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1991-05-13), allocated (dated 2012-03-19), allocated (dated 2012-03-26), allocated (dated 2015-03-18), allocated (dated 2015-06-30)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":12640,"date":"2018-03-19T20:14:16Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Zerolag Communications, Inc.","recipient_org":"Total Server Solutions L.L.C.","range":"142.54.224.0/20","log":"ARIN"}],"events":[{"event_id":"8b7c980e17772f78","registry":"ARIN","report_date":"2010-09-24","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 142.54.202.0-142.54.255.255","resource_type":"ipv4","resource":"142.54.202.0 - 142.54.255.255","start":"142.54.202.0","end":"142.54.255.255","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":"2026-10-13T23:50:50+00:00","page":"https://rirtracker.com/ip/142.54.202.0-142.54.255.255/#e-8b7c980e17772f78","report_page":"https://rirtracker.com/arin/reports/2010-09-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/142.54.202.0-142.54.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 1991-05-13) on 2010-09-23 and assigned (dated 1991-05-13), not issued on 2010-09-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The range is only partly registered on one side, so the tracker doesn't draw a conclusion.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-September/000648.html","retrieved_at":"2026-10-12T18:36:49+00:00","summary":"ARIN-Issued report for 2010-09-24: \"Remove 142.54.202.0-142.54.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100923.gz","retrieved_at":"2026-10-12T19:10:37+00:00","summary":"ARIN delegated statistics 2010-09-23, before the report: assigned (dated 1991-05-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100925.gz","retrieved_at":"2026-10-12T19:10:45+00:00","summary":"ARIN delegated statistics 2010-09-25, after the report: assigned (dated 1991-05-13), not issued"}]}],"classification_history":{"8b7c980e17772f78":[{"raw_change_id":121844,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 1991-05-13) on 2010-09-23 and assigned (dated 1991-05-13), not issued on 2010-09-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The range is only partly registered on one side, so the tracker doesn't draw a conclusion."},{"raw_change_id":121844,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 1991-05-13) on 2010-09-23 and assigned (dated 1991-05-13), not issued on 2010-09-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The range is only partly registered on one side, so the tracker doesn't draw a conclusion."},{"raw_change_id":121844,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:50+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 1991-05-13) on 2010-09-23 and assigned (dated 1991-05-13), not issued on 2010-09-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The range is only partly registered on one side, so the tracker doesn't draw a conclusion."},{"raw_change_id":121844,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:50+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 1991-05-13) on 2010-09-23 and assigned (dated 1991-05-13), not issued on 2010-09-25. (Until 2013-03-05, ARIN's statistics list only what's issued.) The range is only partly registered on one side, so the tracker doesn't draw a conclusion."}]},"arin_statistics_now":{"status":"allocated (dated 1991-05-13), allocated (dated 2012-03-19), allocated (dated 2012-03-26), allocated (dated 2015-03-18), allocated (dated 2015-06-30)"}}