{"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":"66.85.36.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.85.36.0-66.85.39.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-07-06)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"8a350781785b168f","report_date":"2026-07-06","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.85.36.0-66.85.39.255","resource_type":"ipv4","resource":"66.85.36.0/22","start":"66.85.36.0","end":"66.85.39.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","page":"https://rirtracker.com/ip/66.85.36.0-66.85.39.255/#e-8a350781785b168f","evidence_url":"https://rirtracker.com/api/v1/events/8a350781785b168f.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-07-05 and allocated (dated 2026-07-06) on 2026-07-07. The tracker saw this range released from hold on 2026-07-01 (66.85.35.0-66.85.40.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006418.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-06: \"Add 66.85.36.0-66.85.39.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260705","retrieved_at":"2026-10-09T19:03:56+00:00","summary":"ARIN delegated statistics 2026-07-05 (produced 2026-07-05T09:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260707","retrieved_at":"2026-10-09T19:04:03+00:00","summary":"ARIN delegated statistics 2026-07-07 (produced 2026-07-07T09:00:21+00:00), after the report: allocated (dated 2026-07-06)"}]},{"event_id":"4f971b6fba466274","report_date":"2026-07-06","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 66.85.36.0-66.85.39.255","resource_type":"ipv4","resource":"66.85.36.0/22","start":"66.85.36.0","end":"66.85.39.255","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":"2026-10-09T19:28:22+00:00","page":"https://rirtracker.com/ip/66.85.36.0-66.85.39.255/#e-4f971b6fba466274","evidence_url":"https://rirtracker.com/api/v1/events/4f971b6fba466274.json","explanation":"ARIN's statistics show it reserved on 2026-07-05 and allocated (dated 2026-07-06) on 2026-07-07. ARIN removed its own pool record for this range as part of issuing it: the same report adds 66.85.36.0-66.85.39.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006418.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-06: \"Remove 66.85.36.0-66.85.39.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260705","retrieved_at":"2026-10-09T19:03:56+00:00","summary":"ARIN delegated statistics 2026-07-05 (produced 2026-07-05T09:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260707","retrieved_at":"2026-10-09T19:04:03+00:00","summary":"ARIN delegated statistics 2026-07-07 (produced 2026-07-07T09:00:21+00:00), after the report: allocated (dated 2026-07-06)"}]}],"classification_history":{"8a350781785b168f":[{"raw_change_id":2990,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-07-05 and allocated (dated 2026-07-06) on 2026-07-07. The tracker saw this range released from hold on 2026-07-01 (66.85.35.0-66.85.40.255), so it appears to have been issued again from ARIN's pool."}],"4f971b6fba466274":[{"raw_change_id":2950,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-07-05 and allocated (dated 2026-07-06) on 2026-07-07. ARIN removed its own pool record for this range as part of issuing it: the same report adds 66.85.36.0-66.85.39.255. The issuance is explained on that line."}]}}