{"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":"66.85.58.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.85.58.0-66.85.58.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-07-02)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"b83961ce1cec51f2","report_date":"2026-07-02","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.85.58.0-66.85.58.255","resource_type":"ipv4","resource":"66.85.58.0/24","start":"66.85.58.0","end":"66.85.58.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","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/66.85.58.0-66.85.58.255/#e-b83961ce1cec51f2","evidence_url":"https://rirtracker.com/api/v1/events/b83961ce1cec51f2.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-07-01 and allocated (dated 2026-07-02) on 2026-07-03. The tracker saw this range released from hold on 2026-07-01 (66.85.58.0-66.85.58.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2026-07-01: Remove 66.85.58.0-66.85.58.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006414.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-02: \"Add 66.85.58.0-66.85.58.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260701","retrieved_at":"2026-10-09T19:03:46+00:00","summary":"ARIN delegated statistics 2026-07-01 (produced 2026-07-01T09:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260703","retrieved_at":"2026-10-09T19:03:53+00:00","summary":"ARIN delegated statistics 2026-07-03 (produced 2026-07-03T09:00:20+00:00), after the report: allocated (dated 2026-07-02)"}]},{"event_id":"7a0dfddbf9fc9fcd","report_date":"2026-07-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 66.85.58.0-66.85.58.255","resource_type":"ipv4","resource":"66.85.58.0/24","start":"66.85.58.0","end":"66.85.58.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"OBSERVED_ONLY","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":"2026-10-09T19:28:21+00:00","page":"https://rirtracker.com/ip/66.85.58.0-66.85.58.255/#e-7a0dfddbf9fc9fcd","evidence_url":"https://rirtracker.com/api/v1/events/7a0dfddbf9fc9fcd.json","explanation":"ARIN's statistics show it reserved on 2026-07-01 and allocated (dated 2026-07-02) on 2026-07-03. ARIN removed its own pool record for this range as part of issuing it: the same report adds 66.85.58.0-66.85.58.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2026-07-01: Remove 66.85.58.0-66.85.58.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006414.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-02: \"Remove 66.85.58.0-66.85.58.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260701","retrieved_at":"2026-10-09T19:03:46+00:00","summary":"ARIN delegated statistics 2026-07-01 (produced 2026-07-01T09:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260703","retrieved_at":"2026-10-09T19:03:53+00:00","summary":"ARIN delegated statistics 2026-07-03 (produced 2026-07-03T09:00:20+00:00), after the report: allocated (dated 2026-07-02)"}]},{"event_id":"dff4b86495b39043","report_date":"2026-07-01","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 66.85.58.0-66.85.58.255","resource_type":"ipv4","resource":"66.85.58.0/24","start":"66.85.58.0","end":"66.85.58.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","page":"https://rirtracker.com/ip/66.85.58.0-66.85.58.255/#e-dff4b86495b39043","evidence_url":"https://rirtracker.com/api/v1/events/dff4b86495b39043.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2026-07-02: Remove 66.85.58.0-66.85.58.255; 2026-07-02: Add 66.85.58.0-66.85.58.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006413.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-01: \"Remove 66.85.58.0-66.85.58.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260630","retrieved_at":"2026-10-09T19:03:43+00:00","summary":"ARIN delegated statistics 2026-06-30 (produced 2026-06-30T09:00:20+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260702","retrieved_at":"2026-10-09T19:03:50+00:00","summary":"ARIN delegated statistics 2026-07-02 (produced 2026-07-02T09:00:20+00:00), after the report: reserved"}]}],"classification_history":{"b83961ce1cec51f2":[{"raw_change_id":2864,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","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 2026-07-01 and allocated (dated 2026-07-02) on 2026-07-03. The tracker saw this range released from hold on 2026-07-01 (66.85.58.0-66.85.58.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2026-07-01: Remove 66.85.58.0-66.85.58.255), so the before-and-after statistics may include it."}],"7a0dfddbf9fc9fcd":[{"raw_change_id":2768,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:21+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-07-01 and allocated (dated 2026-07-02) on 2026-07-03. ARIN removed its own pool record for this range as part of issuing it: the same report adds 66.85.58.0-66.85.58.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2026-07-01: Remove 66.85.58.0-66.85.58.255), so the before-and-after statistics may include it."}],"dff4b86495b39043":[{"raw_change_id":2538,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2026-07-02: Remove 66.85.58.0-66.85.58.255; 2026-07-02: Add 66.85.58.0-66.85.58.255), so the before-and-after statistics may include it."}]}}