{"classifier_version":"1.0.0","generated":"2026-10-09T21:19:22+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":"155.103.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/155.103.0.0-155.103.255.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-01-13), allocated (dated 2026-01-15), allocated (dated 2026-01-20), allocated (dated 2026-01-21), allocated (dated 2026-01-27), allocated (dated 2026-02-02), allocated (dated 2026-04-02), allocated (dated 2026-04-06), reserved"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":45161,"date":"2026-08-19T13:33:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"IPCrash LLC","recipient_org":"Xproxies","range":"155.103.96.0/22"},{"id":44714,"date":"2026-07-10T19:02:42Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"CovertHart Networks","recipient_org":"Planet Networks","range":"155.103.144.0/22"},{"id":43135,"date":"2026-03-11T17:15:54Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Skylink Hosting LLC","recipient_org":"Ennwise","range":"155.103.77.0/24"}],"events":[{"event_id":"c2d7d539393d198c","report_date":"2026-01-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 155.103.0.0-155.103.255.255","resource_type":"ipv4","resource":"155.103.0.0/16","start":"155.103.0.0","end":"155.103.255.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/155.103.0.0-155.103.255.255/#e-c2d7d539393d198c","evidence_url":"https://rirtracker.com/api/v1/events/c2d7d539393d198c.json","explanation":"ARIN's statistics show it reserved on 2026-01-12 and allocated (dated 2026-01-13), reserved on 2026-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 155.103.64.0-155.103.67.255, 155.103.72.0-155.103.75.255, 155.103.76.0-155.103.76.255, 155.103.77.0-155.103.77.255 and 61 more. The issuance is explained on those lines.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-January/006240.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-13: \"Remove 155.103.0.0-155.103.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260112","retrieved_at":"2026-10-09T18:54:51+00:00","summary":"ARIN delegated statistics 2026-01-12 (produced 2026-01-12T14:00:47+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260114","retrieved_at":"2026-10-09T18:54:57+00:00","summary":"ARIN delegated statistics 2026-01-14 (produced 2026-01-14T14:00:47+00:00), after the report: allocated (dated 2026-01-13), reserved"}]}],"classification_history":{"c2d7d539393d198c":[{"raw_change_id":120,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-01-12 and allocated (dated 2026-01-13), reserved on 2026-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 155.103.64.0-155.103.67.255, 155.103.72.0-155.103.75.255, 155.103.76.0-155.103.76.255, 155.103.77.0-155.103.77.255 and 61 more. The issuance is explained on those lines."}]}}