{"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":"142.249.221.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/142.249.221.0-142.249.221.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-01-14)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"c74a93716552e2c2","report_date":"2026-01-14","source":"arin_issued","raw_action":"ADD","raw_line":"Add 142.249.221.0-142.249.221.255","resource_type":"ipv4","resource":"142.249.221.0/24","start":"142.249.221.0","end":"142.249.221.255","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":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/142.249.221.0-142.249.221.255/#e-c74a93716552e2c2","evidence_url":"https://rirtracker.com/api/v1/events/c74a93716552e2c2.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-01-13 and allocated (dated 2026-01-14) on 2026-01-15. The tracker saw this range released from hold on 2026-01-13 (142.249.221.0-142.249.221.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2026-01-13: Remove 142.249.221.0-142.249.221.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-January/006241.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-14: \"Add 142.249.221.0-142.249.221.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260113","retrieved_at":"2026-10-09T18:54:54+00:00","summary":"ARIN delegated statistics 2026-01-13 (produced 2026-01-13T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260115","retrieved_at":"2026-10-09T18:55:01+00:00","summary":"ARIN delegated statistics 2026-01-15 (produced 2026-01-15T14:00:48+00:00), after the report: allocated (dated 2026-01-14)"}]},{"event_id":"beb3e5724fb32fbc","report_date":"2026-01-14","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 142.249.221.0-142.249.221.255","resource_type":"ipv4","resource":"142.249.221.0/24","start":"142.249.221.0","end":"142.249.221.255","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":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/142.249.221.0-142.249.221.255/#e-beb3e5724fb32fbc","evidence_url":"https://rirtracker.com/api/v1/events/beb3e5724fb32fbc.json","explanation":"ARIN's statistics show it reserved on 2026-01-13 and allocated (dated 2026-01-14) on 2026-01-15. ARIN removed its own pool record for this range as part of issuing it: the same report adds 142.249.221.0-142.249.221.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2026-01-13: Remove 142.249.221.0-142.249.221.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-January/006241.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-14: \"Remove 142.249.221.0-142.249.221.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260113","retrieved_at":"2026-10-09T18:54:54+00:00","summary":"ARIN delegated statistics 2026-01-13 (produced 2026-01-13T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260115","retrieved_at":"2026-10-09T18:55:01+00:00","summary":"ARIN delegated statistics 2026-01-15 (produced 2026-01-15T14:00:48+00:00), after the report: allocated (dated 2026-01-14)"}]},{"event_id":"41d7bd536253061b","report_date":"2026-01-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 142.249.221.0-142.249.221.255","resource_type":"ipv4","resource":"142.249.221.0/24","start":"142.249.221.0","end":"142.249.221.255","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":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/142.249.221.0-142.249.221.255/#e-41d7bd536253061b","evidence_url":"https://rirtracker.com/api/v1/events/41d7bd536253061b.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 (2026-01-14: Remove 142.249.221.0-142.249.221.255; 2026-01-14: Add 142.249.221.0-142.249.221.255), so the before-and-after statistics may include it.","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 142.249.221.0-142.249.221.255\""},{"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: reserved"}]}],"classification_history":{"c74a93716552e2c2":[{"raw_change_id":292,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-01-13 and allocated (dated 2026-01-14) on 2026-01-15. The tracker saw this range released from hold on 2026-01-13 (142.249.221.0-142.249.221.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2026-01-13: Remove 142.249.221.0-142.249.221.255), so the before-and-after statistics may include it."}],"beb3e5724fb32fbc":[{"raw_change_id":283,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","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 2026-01-13 and allocated (dated 2026-01-14) on 2026-01-15. ARIN removed its own pool record for this range as part of issuing it: the same report adds 142.249.221.0-142.249.221.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2026-01-13: Remove 142.249.221.0-142.249.221.255), so the before-and-after statistics may include it."}],"41d7bd536253061b":[{"raw_change_id":119,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+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 (2026-01-14: Remove 142.249.221.0-142.249.221.255; 2026-01-14: Add 142.249.221.0-142.249.221.255), so the before-and-after statistics may include it."}]}}